Adults with pinworms in the stomach are not the only five major manifestations, the common symptoms of pinworms in the stomach are itching, digestive symptoms, urinary tract symptoms, increased secretions, induced other diseases. 1. itching: adults with pinworms in the stomach will show obvious itching, especially perineum, perianal and other locations have obvious itching symptoms, night itching symptoms are more serious. 2. Digestive symptoms: adults with pinworms in the stomach will cause abdominal pain, diarrhea, nausea, vomiting, loss of appetite and other digestive symptoms. 3. Urinary tract symptoms: If pinworms infest the urethra in the stomach of adults, it will cause urinary tract symptoms such as urinary pain, urinary urgency, and frequent urination. 4. Increased secretion: pinworms in the stomach of adults can also lead to increased genital secretion, accompanied by pain in the lower abdomen. 5. Induce other diseases: adults with pinworms in the stomach may also induce other diseases, such as vaginitis, appendicitis, urinary tract infections and so on. If adults have the above symptoms, pinworm patient contact history, suspected pinworm infection, it is recommended to go to the hospital in a timely manner to improve the examination, if the diagnosis is to be taken under the guidance of a professional doctor to take standardized treatment, do not ignore the symptoms, to take it lightly.