Generally, a hard lump in the anterior urethra may be caused by diseases such as urethral cyst, urethral caruncle and urethral stone. 1. Urethral cyst: It is caused by bacterial infection. Due to long-term stimulation by chronic inflammation, a hard lump may appear in the anterior urethra, and may also cause pain in the urethral opening. It can be removed by minimally invasive surgery or physically treated with laser under the guidance of a doctor. 2. Urethral caruncle: usually caused by decreasing estrogen level and frequent local friction, manifested as polypoid bumps in the urethra, which may be accompanied by burning pain. It can be treated by estrogen ointment such as estriol cream and estradiol benzoate ointment, and the more serious cases need physical therapy or surgical excision under the guidance of a doctor. 3. Urethral calculi: caused by ureteral calculi embedded in the urethra, the hard lumps in the urethra at this time may be calculi. Daily attention to drink more water, exercise, do running, jumping and other actions, in order to facilitate the discharge of stones, if necessary, need to carry out incision lithotripsy. In addition, it may also be caused by other reasons, it is recommended that patients go to the hospital for examination, under the guidance of professional doctors for the next step in the treatment.