Between the tailbone and anus swelling and pain, considering the following reasons: the first, may be due to local soft tissue by viral or bacterial infections caused by this situation can be oral anti-inflammatory and anti-infective drugs for treatment, such as amoxicillin, Huanglianxin tablets, if the symptom is more serious, it is recommended that go to the regular hospital in time to carry on the examination and treatment; the second, may be due to the perianal cysts caused by the need to go to the regular hospital to carry on the surgical treatment in a timely manner, will be the excision of abscesses.