A hard lump at the mouth of the cervix when touched is most likely due to the following reasons: most commonly due to chronic inflammation of the cervix, which leads to obstruction of the cervical glandular ducts so that the fluid within them cannot flow out and small greenish-white cysts are formed on the surface of the cervix, which are often referred to as nasal cysts, which usually do not have any clinical symptoms and can be treated without treatment. When the cyst is larger than 1cm, it can be punctured with a sterile needle, and the fluid inside it can be released. In addition, if you feel hard bumps at the mouth of the cervix, it is likely to be condyloma acuminata, a sexually transmitted disease transmitted through sexual contact, which can be treated with laser therapy or cryotherapy. If you feel a hard bump at the mouth of your cervix, it could also be a cervical polyp. If it is a polyp, have it surgically cut out and send it for pathological tests.