Worms in the stomach of adults generally refer to parasites in the intestinal tract, usually due to unclean diet. There are many types of human parasites, and the clinical symptoms caused by them vary according to the type of parasite, but the mechanical stimulation of the parasite in the intestine and the chemical stimulation of its secretions can generally be summarized as the following eight symptoms: 1. abdominal pain: the parasite in the intestine is active and may cause mechanical pain in the intestine when it moves; 2. loss of appetite: the parasite resides in the intestine The parasite may cause abnormal peristalsis in the gastrointestinal tract, which may lead to symptoms of loss of appetite; 3. nausea and vomiting: after some parasites are infected, the parasite may stimulate the gastrointestinal tract and cause nausea and vomiting; 4. constipation: the parasite is too large and may lead to complete or incomplete obstruction of the intestine, which may lead to constipation symptoms such as reduced stool volume and difficulty in defecation; 5. diarrhea: The long-term presence of parasites may lead to disorders of the gastrointestinal flora, which may lead to diarrhea symptoms; 6, weight loss: parasites live by absorbing nutrients from the human body, and their long-term presence may lead to weight loss of the host; 7, anemia: parasites such as schistosomes and hookworms often live by feeding on blood, and anemia may occur in the later stages of human infection; 8, fatigue and weakness: parasites feed on nutrients in the human body for a long time, which may lead to anemia; 8, fatigue and weakness 8. Fatigue and weakness: Parasites may cause a lack of nutrients in the human body and lead to symptoms such as fatigue and weakness. In addition to the above symptoms, parasitic secretion infection in the stomach may also involve the heart, lungs, liver, nerves and other systems and cause symptoms of discomfort. If a patient has unexplained symptoms, it is recommended to go to the hospital to find out the cause of the problem and to treat the problem with deworming according to the doctor’s diagnosis.