Small granulation under the tongue may be the result of the following conditions: 1. normal sublingual papillary tissue. 2. it is possible that the ductal opening of the sublingual gland has become inflamed and hyperplasia has occurred. In addition, there may be ductal calculi, which should be flushed out or surgically treated at the stomatology department. 3, the sublingual granuloma may be a lingual papilloma, which needs to be surgically treated, and pathological tests should be performed after the surgery. 4, the sublingual granuloma may also be due to a history of unclean sexual intercourse, which may be a condyloma acuminata or syphilis. The phenomenon of syphilis or syphilis may also be AIDS. Therefore, it is recommended to check the blood or have a history of unclean sexual intercourse, should be promptly examined, granulation tissue can be frozen or surgical treatment. At the same time, systemic diseases should be treated and anti-viral treatment should be carried out.