1, diagnosis: anal sinusitis in the chronic phase without obvious symptoms, but often a slight hidden pain in the anus rising or discomfort, the acute phase is often painful, the symptoms worsen when defecating, burning and stinging pain in the anal canal, tearing pain . Rising or falling sensation. There is an increase in the amount of secretions, and the hand towel occasionally carries pus and blood. If the anal sphincter is irritated by inflammation, it can cause mild or moderate spasmodic contraction of the sphincter, often with short paroxysms of dull pain, or pain lasting several hours, and in severe cases the pain can pass through the pubic nerve. Sacral nerve. In severe cases, the pain may be radiating through the pubic nerve. Sinusitis is often associated with dysentery. The anal sinusitis is often distinguished from dysentery, enteritis, etc., which causes anal pain. In the case of sinusitis, significant congestion of the anal saphenous fossa is seen. It is not difficult to identify by anoscopy. In anal papillitis, there are no obvious symptoms, but when the anal papillae are enlarged and can be prolapsed from the anus, they can be seen as papillae with different sizes of prolapsed material covering the skin. In the acute stage or when embedded, edema, congestion and necrotic erosion can be seen. Anoscopic examination of the anus shows: triangular. bean-shaped. Papillary proliferations, surface covered with skin. 2. Treatment: (1) Fumigation: Chinese herbal medicine decoction followed by fumigation and then sitz bath for 10-20 minutes. (2) drug application: anal special ointment applied to the anus. (3) plugging method: anal commonly used suppository anal. (4) antibiotics: metronidazole is the drug of choice for this disease, and there are currently a variety of dosage forms. (5) Surgery: Surgery is the radical treatment for this disease, including anal sinus incision and dilation, anal papillotomy, electrocautery, etc.