The phenomenon of acne on the face when the weather is hot can be relieved by detaching from the undesirable environment, cleansing the skin and medication. 1. Getting out of the bad environment: Some patients’ acne may be related to the hot environment, so it is important to get out of the bad environment as soon as possible so as to improve the patient’s symptoms. 2. Clean skin: In hot weather, if the patient often applies oily skin care products on the face, it may block the pores, which will lead to the symptoms of acne, so it is necessary to keep the skin clean, hydrate, moisturize, use refreshing skin care products, and do a good job in removing make-up. 3. medication: for patients with acne on the face, can be used externally Vitamin A acid cream, thus improving the follicle sebaceous gland duct keratinization dissolve acne, can be combined with anti-inflammatory and antibacterial drugs according to the specific circumstances, such as clindamycin, fusidic acid cream, etc., to improve the effect. It is recommended that patients should use medication under the guidance of a professional physician to avoid the adverse effects of blind use of drugs.