The itching in the anus and intestines may be due to internal hemorrhoids, parasitic infections, local inflammation, clear causes can be dealt with through general treatment, medication, surgical treatment and other ways. 1. internal hemorrhoids: internal hemorrhoids main symptoms are prolapse, blood in stool and local itching, etc., internal hemorrhoids patients should correct bad habits, avoid eating stimulating spicy food, under the guidance of the doctor to use hemorrhoidal cream and other treatments, if the effect is not good, you can remove the internal hemorrhoids through the way of surgery. 2. Parasitic infection: parasitic infection of the anus and intestinal tract can also cause the symptoms of anal itching, the patient can use albendazole tablets and other anthelmintic drugs under the guidance of the doctor for treatment, while paying attention to personal hygiene, regular review. 3. Local inflammation: anusitis can also cause symptoms of itching around the anus and the end of the rectum, the patient can take metronidazole, amoxicillin capsules and other drugs under the guidance of a doctor for treatment, at the same time can be combined with erythromycin ointment external coating treatment. In the anus, itching can also be caused by eczema and other reasons, patients should consult a doctor in time to check, clear causes, for the cause of the treatment, do not self-medication, so as not to jeopardize the body.