The main causes of distension and pain between the caudal vertebrae and the anus include caudal ligament strain, hemorrhoids, anal sinusitis, perianal abscess, it is recommended to clarify the cause and treat the symptoms. Common causes and treatment 1, caudal ligament disease: such as falls, impact, strain, resulting in damage to the caudal ligament, patients need to pay attention to rest, you can use a hot water bag hot compress, can relieve the symptoms, if the pain is intolerable, you can follow medical advice oral ibuprofen extended-release tablets; 2, hemorrhoids: if the hemorrhoid nucleus increases and intra-abdominal pressure, can cause pain, you can follow medical advice oral Diosmin tablets to relieve distension and pain, or perform surgical treatment 3, anal sinusitis: generally accompanied by anal fluid, pus symptoms, you can use metronidazole sodium chloride injection enema under the guidance of the doctor, serious cases need surgery; 4, perianal abscess: can be in the anal palpable fluctuating mass, it is recommended to go to the regular hospital, surgical incision and drainage; 5, tailbone lesions: such as tailbone osteophytes, bone fractures or fractures, it is recommended to improve the examination, you can choose physical therapy hot compresses or The symptoms can be relieved by physiotherapy, hot compresses or external ointment, and oral blood circulation, anti-inflammatory and pain-relieving drugs, such as anti-bone growth tablets, meloxicam, etc. In severe cases, the tailbone can be fixed or removed surgically; 6, rectal malignant tumors: relatively rare, palpable mass, itching, bleeding, urgency, etc., feasible electrocautery or extensive local excision, radiotherapy if necessary. Caution Normally, we should pay attention to more bed rest to avoid pressure on the tailbone area, do not sit or squat for a long time, you can put soft cushions on the stool, eat more easily digestible food, such as rice porridge, and keep the bowels open.