There are many kinds of facial acne, commonly acne, which may also be caused by mosquito bites or allergies. Specific treatments need to be chosen according to the type of acne, and there are usually the following methods of treatment: I. Acne 1, acne type: common white head acne, scattered small amounts of red papules, etc. Commonly used medications such as retinoic acid ointment, adapalene gel, fruit acid or salicylic acid resurfacing, etc. promote epidermal cell renewal, making it easier to shed the old stratum corneum, and adapalene gel also has some anti-inflammatory effects. Acid brushing can promote cell metabolism and remove excess keratin, but patients with sensitive skin and dry skin should avoid brushing acid to avoid stimulating the skin and should be done under the guidance of a doctor. 2. Inflammatory type: chronic inflammation of the sebaceous glands of hair follicles is common, and self-cleaning acne can damage the mouth of the hair follicles leading to increased inflammation, so you should seek medical attention in a timely manner. Topical retinoids are the drugs of choice for mild to moderate acne, and peroxynivalenol can be used as one of the antibacterial drugs of choice. Retinoic acid, benzoyl peroxide, and antibiotics are often used in combination to increase the efficacy of the medication. Common physical therapy including photodynamic therapy and laser therapy. Second, mosquito bites can first use alkaline soap and water applied locally, you can also apply a small amount of windex or flower lotion, try to avoid scratching to cause breakouts. Third, allergic skin allergy, can appear flushed, rash, fever, itching and other symptoms, the use of glyburide lotion, erythromycin ointment, etc. for local application after the symptoms are not relieved or aggravated, should promptly seek medical advice. Patients should use medication under the guidance of a professional dermatologist. In daily life, they should avoid staying up late, eating a spicy or greasy diet and other bad habits that cause endocrine disorders, leading to the generation and aggravated development of acne.