Sebaceous cyst is a disease in which sebum gradually accumulates to form retention cysts, so it will not be cured by itself, and patients can take general treatment and surgical treatment. 1. General treatment: patients with epidermoid cysts need to pay attention to personal hygiene, not scratching and squeezing the affected area to prevent infection. Light diet, avoid spicy, stimulating and greasy food. Do a good job of local cleaning, avoid skin clogging. 2. Surgery: If the sebaceous cyst is small, the patient can follow the doctor’s instructions to make a small incision and direct excision. If the cyst is large, it can be removed by conventional surgery. If the sebaceous cyst is infected, the patient can take incision and drainage for treatment. Epidermal cysts can not be self-healing, patients can go to the hospital, under the guidance of the doctor standardized treatment.