Fire, anal swelling small bags may be perianal abscess, boils, hemorrhoids and other diseases, need to go to the hospital, check clearly. 1. Perianal abscess: it is an acute purulent infection around the anus, which can be triggered by eating spicy, stimulating and greasy food, drinking alcohol, staying up late, etc., and the local area can be red, swollen and painful. 2. Boils: acute purulent infections of hair follicles and deep tissues, which can appear as localized swollen pockets accompanied by pain, usually with pus on the surface. 3. Hemorrhoids: is the expansion of the mucosal veins of the anorectal mucosa to form a mass, sedentary, standing, eating spicy stimulating greasy food, alcohol, etc. can lead to venous stasis, the formation of thrombus with swelling and pain. Fire, anal swelling small bags, need to clarify the cause of the disease in a timely manner, to take appropriate diagnostic and treatment measures. Adopt a good dietary habits, to avoid inflammation induced infectious diseases.