The pus is discharged from the fistula in front of the ear, which can temporarily facilitate the subsidence of acute inflammation and reduce the local pain symptoms, but the root cause still requires surgical treatment. Ear fistula is a congenital developmental deformity, manifested as a fistula in front of the foot of the ear wheel, the other end may be a blind tube, can be branching, length varies, depth varies, gently squeeze the fistula around a small amount of white secretion with a foul odor outflow. When infected, there may be localized redness, swelling and pus. Repeated infections can also result in scarring or pus leakage. Infected fistulas can be treated with oral antibiotics such as cefixime and amoxicillin. If the pus opening is large, the pus can be drained by itself, if the pus opening is small, the pus needs to be incised and drained. Generally speaking, the above methods can not be completely cured. If you need radical treatment, it is recommended to perform fistula and surrounding lesion tissue excision under local anesthesia or general anesthesia. If there is any discomfort, it is recommended to consult a doctor and follow the doctor’s instructions for targeted treatment, the above drugs need to follow the doctor’s instructions.