Folliculitis on the forehead and back is more common in young people, especially in adolescence, and its causes are mainly related to excessive oil secretion leading to bacterial infections. Also related to frequent sweating, the skin is too moist, impermeable and secondary fungal infection, called Malassezia folliculitis. Therefore, for the treatment of folliculitis should pay attention to a light diet, avoid eating spicy food, such as hot pot, chili and drinking alcohol, stimulating diet should be eaten as little as possible. Also pay attention not to stay up late, rest should be regular, try to go to bed early, get up early. Patients should not stimulate, scratch, pick, needle pick folliculitis, do not scrub hard with bath towels when bathing, this will also cause stimulation, further aggravate the inflammatory response, induce, aggravate the infection. If the folliculitis is caused by fungal infection, you also need to use antifungal drugs, keep the skin clean and dry, and take comprehensive treatment combined with scientific protection to achieve better clinical results.