Itching of the anal canal, perianal skin and perineum is called anal pruritus, which is a common anal disease that differs from itching of other parts of the body and is characterized by intense itching and a long duration of the disease. It is mostly seen in young and middle-aged people between 20 and 40 years old. At first, it is usually limited to mild itching of the skin around the anus, but if it is not cured for a long time, the itching may spread to the scrotum or scrotum lips, especially in the perineum, where the itching is most severe. The itchiness is worse at night and is aggravated by the humid environment, sometimes like insects crawling and ants walking, sometimes like mosquitoes biting and roasting, making it impossible to sleep, restless and unbearable. So scratch the skin to temporarily stop the itch, skin scratching can bleed, erosion, stinging, making the itch worse, more uncomfortable. The patient’s distress is so great that it will cause neurosis, depression, lack of taste and sleepless nights. The first thing you need to do is to treat the primary diseases that can cause anal itching, such as hemorrhoids, anal fistula, pinworms, diarrhea, eczema, etc. Secondly, you should avoid eating and contacting the diet you are allergic to, chemicals, raw paint, irritating food, and certain drugs. In addition, do not lining pants too tight, too hard, rubbing the anal skin, toilet paper should be clean, soft and absorbent toilet paper, do not use paper with ink writing, or use plant leaves, clods of earth to rub the anus, after the stool or before going to bed to wash the anus with warm water to keep it fresh and clean. Do not use irritating lotions, and do not use hot water to sit in the bath. You should also avoid anxiety, worry, excessive mental tension, and not to scratch the anal skin with your hands. Anal itching is a symptom of many diseases Many people have had the uncomfortable symptom of anal itching, but they are embarrassed to go to the hospital because of the face problem. Itchy anus is partly caused by parasitic infections, poor hygiene and eating habits, and partly caused by hemorrhoids, constipation, anal fissures, viral infections, sexually transmitted infections, etc. Don’t ignore it because it is just itchy anus, which delays the treatment of real diseases. The itchy anus can be caused by the lack of mucous membrane secretion near the anus, and can be caused by good or poor hygiene habits. If the itching is only caused by diet and hygiene habits, it can be easily cured. For anal itching due to diet and hygiene habits, physicians recommend avoiding cola, coffee, chocolate, wine, tea, wearing breathable cotton, wide bottoms, and not using cotton pads for female patients, and washing several times a day, especially after defecation, using less soap to avoid washing off the mucous membrane, using a hair dryer to dry after washing, and then applying medicine. The more important thing to note is the itchy anus caused by viral infections and sexually transmitted infections. In addition to treating the symptoms of anal itching, it is also necessary to treat viral infections, sexually transmitted infections and other major diseases as soon as possible, so patients should never ignore the symptoms of anal itching.