Anal pain at night when sleeping, considering the following conditions: 1, hemorrhoids, due to recent bad dietary habits, intake of too much chili, pepper, coffee or alcohol, so that hemorrhoids acute attack, hemorrhoidal nuclei appear red, swollen, enlarged, itching and pain, the need for timely treatment and handling. Clinically, you can use potassium permanganate solution diluted for sitz bath treatment, can also be used in the anus of the external use of Ma Yinglong hemorrhoid cream treatment, conservative treatment can control the symptoms. If the symptoms are still not controlled or tend to worsen after conservative treatment, surgical treatment should be considered.2, perianal abscesses lead to, there will be localized abscesses, pain, and fever, etc..3, anal fistula combined with acute infections, the need for surgical treatment. Patients with perianal swelling and pain should go to the hospital in time to find out the cause and then be treated accordingly.