Itchy anus inside consider with life factors, internal hemorrhoids, sinusitis, etc., can be relieved by general treatment, medication and other ways. 1. life factors: if you do not pay attention to personal hygiene and heavy diet, it will cause anal harassment symptoms, pay attention to keep the perianal area clean, after using warm water to wash the anus, can relieve anal itching, and pay attention to the timely replacement of underwear, diet in the case of ensuring balanced nutrition, can be appropriate to eat more fresh fruits and vegetables, to avoid spicy and stimulating foods, such as garlic, chili, and so on. 2. Internal hemorrhoids: If it is due to internal hemorrhoids caused by itching inside the anus, regulate the diet, avoid eating spicy stimulating food, prohibit alcohol, prevent constipation and diarrhea, adhere to the daily cleaning and sitz bath, can be prescribed to use ma yinglong musk hemorrhoids ointment and other medications. 3. Sinusitis: If it is caused by sinusitis, pay attention to the hygiene around the anus, adhere to the cleaning and sitz bath, you can choose 1:5000 potassium permanganate solution sitz bath or saline sitz bath, if it is because of bacterial infections caused by sinusitis, you can follow the doctor’s instructions oral amoxicillin capsules, cefixime tablets and other medication. Caused by itchy anus inside many reasons, it is recommended to go to the hospital in a timely manner, after a clear diagnosis and then symptomatic treatment, to avoid delaying the condition, causing other damage.