The sudden growth of many pimples on the face, usually consider acne, folliculitis. 1. Acne: the onset and the body’s high level of androgens, sebum secretion increased, Propionibacterium acnes breeding, follicle sebaceous catheter keratinization related. Acne is characterized by facial pimples, papules, papules, nodules, cysts and other damages, usually with mild self-consciousness and pain when inflammation is obvious. 2. Folliculitis: it is caused by bacterial infection of the skin, commonly associated with Staphylococcus aureus infection, which can be triggered by high temperature, excessive sweating, scratching and so on. The manifestation of red follicular papules, part of the center can appear pustules, surrounded by a red halo Acne on the face is recommended to go to the hospital in a timely manner, to clarify the cause of the disease and follow the doctor’s instructions for active treatment.