If it is puberty acne is called acne, the first reason is that androgen secretion is more vigorous during puberty; secondly, it is the infection of Propionibacterium acnes; and thirdly, it is caused by the pores of the skin being blocked. For treatment, it is now recommended to eat less oily, sugary food and spicy food. For medication, it is recommended to wash your face carefully in the morning and evening, and you can try to use a facial cleanser containing fruit acids. In case of pustular acne, you can use antibiotic ointment such as fusidic acid and Banshee when it is red and swollen with pustules. If there are whiteheads, blackheads and other pimples, you can apply topical adapalene to dissolve the keratin.