The most common anal disease is perianal abscess, which is an acute infectious purulent disease caused by infection of the anal glands. Once you have a perianal abscess, if the abscess cannot be broken, you should promptly cut and drain it to avoid further development of the disease; a boil near the anus may also be a perianal sebaceous cyst, the so-called sebaceous cyst, which is generally If the patient is female, the possibility of vestibular gland cysts should be considered. It is recommended to visit the anorectal department and gynecology department of a regular hospital, where a professional doctor will conduct a physical examination, together with the improvement of perianal 3D color Doppler ultrasound and other related auxiliary examinations, which can generally confirm the diagnosis.