Scalp folliculitis is caused by local factors, as well as infectious and systemic factors. 1. Local factors: for example, do not pay attention to local hygiene, failed to clean up secretions in time, local high temperature, excessive sweating, poor hygiene conditions, and so on. 2. Infectious factors: most of them are infected by Staphylococcus aureus, but there may be Staphylococcus epidermidis, Escherichia coli and so on, and in a few cases, there are also fungal infections. 3. Systemic factors: the body has chronic diseases, such as diabetes, chronic tumors, or the body uses immunosuppressants, the use of glucocorticoid drugs, etc. caused by the body’s immune function abnormality, is also prone to induce folliculitis. Scalp folliculitis should be timely medical treatment, according to the specific symptoms of the treatment prescribed by the doctor.