Bladder spasm generally refers to the bladder smooth muscle or bladder sphincter spasmodic contraction, generally manifested as urination abdominal pain, incomplete urination, temporary urinary shutdown, etc. Bladder spasm should go to the hospital as soon as possible to receive professional treatment, while the following methods can be taken to relieve pain: 1, hot compresses: towel wrapped in hot water bags with a temperature of about 45 ℃, hot compresses on the abdominal area to relieve pain; 2, massage: rub hot hands, folded in the lower abdomen that is below the navel, and then massage clockwise for 3-5 minutes to relieve pain; 3, oral medication: if the pain is not relieved, oral analgesic or antispasmodic drugs as prescribed by the doctor.