Bumps on the face may be caused by folliculitis, flat warts, skin allergies, acne and so on. 1. Folliculitis: If the bumps on your face are red papules and pustules consistent with hair follicles and painful when pressed, consider folliculitis. Folliculitis is caused by local bacterial infection, and local sebum overflow increase combined with bacterial infection, the treatment is mainly topical anti-bacterial infection drugs, such as fusidic acid cream. 2. flat warts: generally appear in the face and neck, manifested in dense sesame size, flat raised bumps, it is human papilloma virus infection caused by infectious skin disease, usually direct or indirect contact infection. 3. Skin allergy: manifested as erythema, red papules, some can be fused, the boundaries of the rash is not very clear, the patient is often accompanied by obvious itching symptoms. It is related to excessive sweating or ultraviolet radiation, food allergy, etc. Treatment can be oral anti-allergy drugs, such as loratadine tablets, etc., and local topical glucocorticoids, such as dianabed cream. 4. Acne: Patients may often eat spicy, greasy or sweet foods that stimulate the sebaceous glands to secrete oil, leading to follicular sebaceous gland openings blocked, resulting in the formation of pimples, inflammatory papules and so on. Treatment is mainly to regulate the diet, can be used topical adapalene gel and so on point of application of acne. Prompt medical treatment is recommended for the above symptoms. Patients should use the medication under the guidance of a doctor to minimize the risk of using the medication, and seek immediate medical treatment if any abnormality, serious adverse reaction or discomfort occurs during the medication process.