Scrotal folliculitis is a papular pustule that occurs in the scrotal area. Folliculitis occurs in hairy areas, such as the head and scrotum. The scrotum, because of its physiological location, is prone to humidity and is often unable to be cleaned in time due to excessive sweating, resulting in obstruction of the hair follicles and bacterial infection forming a purulent inflammation. Scrotal folliculitis is usually red papule-like at the beginning, which can be self-induced pain and gradually develops into papule-like pustules. The main cause is due to infections such as staphylococcus. Scrotal folliculitis can occur singly or in several groups, and may be surrounded by redness and swelling, which usually heals spontaneously, forming dry crusts that peel off in about 1 week. Of course, some patients may have ulcers that break down and form sores. For scrotal folliculitis, prevention is more important, reducing sitting, paying attention to local dryness, and paying attention to local hygiene and cleanliness can effectively reduce the occurrence of scrotal folliculitis. For treatment, topical antibiotics can be used as appropriate, and topical mupirocin ointment or compound polymyxin B ointment can be used. In summary, scrotal folliculitis is also a kind of folliculitis, only occurs in the scrotal area, often can be self-healing, treatment and prevention is equally important.