The symptoms of long worms in the stomach will be abdominal pain, stomach dysfunction, nausea, diarrhea, and sometimes grinding of teeth at night in bed, and even reluctance to eat, frequent finger eating, anal itching or affecting sleep, and more irritable. Also will not reduce in the case of eating, weight if more and more light, more and more thin, it means that there are roundworms in the stomach, will take the body intake of nutrients absorbed, causing malnutrition or slow response, serious will also cause developmental disorders or roundworm intestinal obstruction, we must take intestinal worms in time to remove roundworms, you can get effective treatment. To prevent the growth of worms in the stomach, you must wash your hands diligently before and after meals, wash vegetables and fruits before eating, do not drink unclean water, and maintain good living habits.