The appearance of long whiteheads and acne when wearing a mask can be relieved by topical medication, chemotherapy, acne removal and physiotherapy in addition to replacing the cotton mask. Wearing a mask creates a closed environment on the face, and the skin on the face is constantly in a humid environment of exhalation, leading to the growth of bacteria, which in turn can cause acne and other problems. First of all, each time you wear a mask should not be too long, and if you have the conditions, you should change the mask often and pay attention to the cleaning and care of the skin. If you have whitehead acne, you can deal with it in the following ways: 1. Topical medication: Patients can use topical medication such as retinoic acid cream, benzoyl peroxide, azelaic acid, etc., so as to achieve the effect of dissolving microcomedones and killing Propionibacterium acnes, and then improve the symptoms of facial whiteheads and pimples. 2. Chemical treatment: you can take the way of fruit acid peeling treatment, because fruit acid can interfere with the binding force of the cell surface, and reduce the keratin formation of cell adhesion, regulate sebaceous gland secretion, for mild acne has a certain therapeutic effect. 3. Acne removal: patients are best to use acne squeezer to squeeze out the acne under aseptic operation with the help of a doctor, and good anti-infection treatment. 4. Physical therapy: patients can be photodynamic, red and blue light, laser, photon and other physical therapy, as a whitehead acne auxiliary treatment and after treatment. After wearing masks appear long whiteheads acne, can cooperate with the doctor to give the corresponding treatment, not blindly use drugs.