Hardness and pain in the urethra may be caused by urethral stones, urethral caruncle, urethral cancer and other factors. 1. Urethral stone: it may be secondary to bladder stone, when the stone is stuck in the urethral orifice area, you will feel a hard lump in the urethral orifice, and there is pain, accompanied by difficulty in urination, urinary bifurcation, and other abnormal manifestations. 2. Urethral caruncle: it may be related to the lack of estrogen, chronic irritation and other factors, which may lead to the appearance of swelling in the urethral orifice, and painful to touch, and when over-stimulated, it may easily cause bleeding and infection. 3. Urethral cancer: when there is urethritis, it may lead to swelling at the urethral opening with pain, difficulty in urination, or even cause urinary retention, which prevents urine from being discharged. If there are hard lumps with pain in the urethra and other abnormal symptoms, it is recommended to consult doctor for examination and treatment in time to avoid delaying the condition.