In the production of sterile drugs, people are the biggest source of pollution. As an important tool to isolate particles from human body, the performance of clean clothing affects the environmental quality of clean room, and thus has an important and far-reaching impact on the quality and safety of drugs.
The changing process of clean clothes also plays a pivotal role in the environmental quality of clean rooms. Scientific and correct changing procedures are the main means to effectively control personnel pollution.
In addition to developing a scientific and correct changing procedure, it is very important to strictly implement the changing procedure. This requires a high degree of responsibility and discipline from everyone. This applies not only to cleanroom staff, but also to occasional staff such as management, quality control and maintenance staff.
For the work environment that requires the wearing of clean clothes, there are standardized procedures for the wearing of clean clothes. Take the Capelliton triplet clean suit and clean underwear as an example. The following dressing steps should be followed when wearing:
Before entering the clean area, the staff should not wear any accessories, and makeup is not allowed. Long hair needs to be put up.
A dressing room
(1) Take off non-sterile work shoes, put them in the locker, and change into slippers.
(2) Take off non-sterile work clothes and hang them on a hanger.
(3) Cleaning hands and arms: special cleaning products need to be used to clean and dry the hands and arms, and then alcohol disinfection, to ensure that the maximum extent of the removal of pollutants.

Two change room dressing
(1) Take off non-sterile work shoes, put them in the locker, and change into slippers.
(2) Take off non-sterile work clothes and hang them on a hanger.
(3) Cleaning hands and arms: special cleaning products need to be used to clean and dry the hands and arms, and then alcohol disinfection, to ensure that the maximum extent of the removal of pollutants.

Three change room dressing
(1) Disinfect the hands first, put on the second pair of sterile gloves, disinfect the hands again, change into high shoes, and pull the zipper to two-thirds of the shoe tube. Note: Sterile gloves should not touch the outer surface of the legs and shoes when wearing high shoes. At the same time, high shoes should not touch other objects.
(2) More sterile outerwear: After hand disinfection, take out the sterile outerwear from the clean bag, extend your hand to the inner surface to adjust the height of the outerwear, while ensuring that the outerwear does not touch the ground.
Keep your hands steady while you pass through the pant leg. After wearing the pant leg, look in the mirror to find the cuff. Then put your two arms into it. Put on the top half, arrange the hat, keep your hair fully wrapped in the hat, adjust the waist rope, zip up and button the three buttons at the collar. Do not touch the outer surface of the coat throughout the process.
Sleeve and back, hat and back are connected with the hidden button, can prevent the clothes are too long and lead to the ground.
(3) Tidy up high shoes: first hand disinfection, then wear high shoes. By holding the inner surface of the shoe tube roll the shoe tube to the ankle, hold the inner surface of the pant tube with both hands, open the button on the pant leg, pull down the pant leg to the end to tighten the dark QQ in front of the pant, find the pull ring, pull up, zip up and buckle the button. The whole process minimizes contact with the outer surface of the high shoe.
(4) Wear a sterile mask: Sterilize your hands first and take out the sterile mask from the upper part of the sterile pocket. It should be noted that your hands can only touch the strap of the mask. Make sure that the upper and lower orientation of the mask and then wear it. The plastic bar can be adjusted closely to the bridge of the nose, and the fingers should not touch the face.
(5) Wearing an eye mask: disinfect the hand first, take out the eye mask from the eye mask bag, tighten the eye mask band with both hands to both sides, insert the card slot, and make sure that no skin is exposed outside. Note: Before wearing, adjust the headband size of the eye mask.
(6) Disinfection: All clothes need to be sprayed after wearing. Spray all places that may be encountered in the wearing process, including the head, chest, legs, feet and so on.
Disinfect your hands again and put on sterile gloves. It is important to note that once the last pair of gloves is on, you should not touch any more objects.
After everything is ready, you can enter the sterile area to work.

Precautions for changing clothes
● Before entering the shoe room, be sure to rub the sole on the special mat at the entrance a few times to remove the dirt on the sole.
● Clean clothes should be folded in a way that is easy to wear and prevent contact with the ground when opened.
● Wear a hat with your hair up and tucked completely inside.
● When wearing clean clothes, ensure that the clothes do not touch the ground.
● A mirror is set in the dressing room to confirm whether the wearing of clean clothes meets the requirements.

Precautions for Washing Hands
● After cleaning and rinsing your hands, you need to dry them in time. Dry directly with a hot air dryer or dry with a disposable towel with low fiber shedding.
● You should always hold your hands higher than your elbow so that water runs from your fingertips down your elbow.
● When you are finished washing your hands, rinse your hands from the fingertips up to your elbows. Do not rinse from elbow to fingertips.
● The last step in hand washing is usually to disinfect your hands with a bactericidal cleaning solution.

Different clean environments and changing layouts require different styles of clean clothes, and different styles of clean clothes have different changing processes. It takes a certain amount of time to learn and practice the standard changing process. Only master the correct changing process, can develop a good habit of changing. At the same time, we should maintain a high sense of responsibility and discipline, because our "every move" is related to the quality and safety of drugs.