Pimples on the face and accompanied by itching, common causes include allergic dermatitis, acne, acute eczema, etc. It may also be a skin manifestation or secondary symptom of other diseases, which can mostly be treated with topical and internal medications and improved with daily habits. 1. Allergic dermatitis: usually caused by allergic reactions due to contact with allergens, such as dander, grass clippings, dust mites, pollen, eggs, alcohol, etc. The main The clinical manifestations are itching at first, followed by swelling, erythema, papules, blisters, and even macules. You can go to the hospital for a detailed examination and take oral antihistamines to stop the itching under the guidance of a doctor; if the rash is more frequent and severe, you can take oral glucocorticoids; 2. Acne: Acne is a chronic inflammatory skin disease of hair follicles and sebaceous glands. If local treatment does not work well or if lesions increase and recur, oral antibiotics can be used under the guidance of a physician, combined with physical therapy for treatment; 3, acute eczema: the cause of eczema is still unclear and may be related to endocrine dysfunction, infection, etc., or food, inhalants, environmental changes, etc., often showing ill-defined erythema Eczema is often characterized by ill-defined erythema, papules, herpes, etc., with itching. Need to be under the guidance of a doctor with medication, commonly used drugs including glucocorticoids, antihistamines, etc.; 4, mosquito bites: mosquito bites, usually the skin will appear red and swollen bumps with itching. In general, you can use anti-mosquito solution to apply relief. However, if the bumps become bigger and bigger over time, you can choose reasonable drugs such as topical glycolic lotion, hydrocortisone butyrate cream and other drugs to improve under the guidance of a doctor; 5, other: such as systemic lupus erythematosus, rheumatic fever, etc., can also cause red bumps with itchy symptoms. It is necessary to go to the hospital for examination to clarify the cause before treatment. The above drugs need to be used under the guidance of a professional doctor. If the situation is difficult to control, you need to go to the hospital for examination in time to clarify the cause and then treat the symptoms. Try to reduce the intake of fried and spicy foods, and avoid foods that may induce allergies, such as seafood and mangoes.