Pimples are acne, and Metronidazole Gel can treat acne caused by infections, and should be used as directed by a doctor. Metronidazole gel can impede bacterial metabolism, promote bacterial death, most anaerobic bacteria with antibacterial effect. It is used for the topical treatment of impetigo, rosacea erythema, and inflammatory papules. Acne is mainly an inflammatory reaction caused by abnormal hormone levels, large amounts of sebum secretion, Propionibacterium acnes, and abnormal perifollicular keratinization. If it is caused by Propionibacterium acnes, it can be treated with metronidazole gel. Adverse reactions such as dry skin, skin irritation and burning sensation are seen with Metronidazole Gel. The drug is contraindicated in pregnant and lactating women. Acne can also be applied to other types of drugs such as retinoids, which should be selected according to the condition and should be used wisely under the guidance of a doctor.