Causes of colic mainly include intestinal peristaltic dysfunction, urinary stones, etc., as follows: 1, intestinal peristaltic dysfunction: caused by intestinal colic, mostly due to the recent diet, eating more spicy stimulation or cold food, etc., resulting in intestinal peristaltic dysfunction, intestinal peristaltic hyperactivity, which causes intestinal colic, pain is more paroxysmal, the degree of heavy, through hot compresses with taking antispasmodic pain relief drugs can be relieved; 2, urinary stones: urinary system diseases caused by colic, pain is intense and accompanied by frequent, urgent, painful urination or blood in the urine. The pain can be relieved after taking antispasmodic and analgesic drugs; 2, urinary system stones: urinary system diseases caused by small stomach pain is mostly colic, pain is intense and accompanied by frequent urination, urinary urgency, painful urination or blood in the urine, etc.. The causes of stomach cramps are mainly the above two aspects, and need to go to the hospital for urological ultrasound and abdominal plain film examination to clarify.