The phenomenon of pimples on the face may be contact dermatitis, acne or flat warts, etc., which can be treated according to different causes, such as medication. 1. Contact dermatitis: If the face comes into contact with certain allergens, it can lead to erythema and pimples on the face, which can lead to bumps on the face. Patients should avoid re-exposure to the allergen, oral cetirizine, loratadine and other antihistamine medication, and at the same time, under the guidance of the doctor, topical glucocorticosteroid cream, such as hydrocortisone butyrate cream. 2. Acne: It is the most common chronic inflammatory disease of the sebaceous glands of the hair follicles in dermatology, with pimples, papules and pustules as the main clinical features. You can use topical retinoids and benzoyl peroxide gel under the guidance of a doctor, and take retinoids, antibiotics and hormonal drugs orally if necessary. 3. Flat warts: a viral skin disease caused by human papilloma virus (HPV) infection of the skin, lesions manifested as slightly elevated brown flat papules, varying in size. Patients can apply tazarotene cream and other retinoids for treatment, and if necessary, use cryotherapy and laser treatment under the guidance of a doctor to remove them. The bumps on the face may also be other causes, patients should go to the regular hospital in time to identify the cause of the disease and take corresponding treatment measures.