There are many diseases that can cause itching around the anus, the more common ones include perianal eczema, anal pruritus, and perianal diseases including hemorrhoids, anal fissures, anal fistulas, enlarged anal papillae, and sinusitis. In addition, parasitic worms in the anus, especially pinworms that have a habit of crawling to the perianal area at night to lay eggs, can also cause itching around the anus. Regardless of the cause of itching, you should first go to the anorectal department of a regular hospital for an examination to clearly diagnose and decide on a treatment plan. Usually, we should pay attention to avoid sitting for a long time, keep the anal area dry, avoid anal dampness, and avoid eating spicy and stimulating foods, including tobacco, alcohol, pepper, and strong coffee can also reduce the onset of itching.