Whenever you eat bamboo shoots, you will have stomach ache, which is mostly considered to be caused by food intolerance, irritable bowel syndrome, dyspepsia and other diseases. 1. Food intolerance: It refers to the reproducible IgG-mediated immunopathological reaction of patients to one or some specific food or food components, etc. Patients mainly manifested abdominal distension and abdominal pain, diarrhea, vomiting and other discomforts for 1~1.5 hours or longer after eating. If the patients are intolerant to bamboo shoots, they will have the symptom of stomach pain when they eat bamboo shoots. 2. Irritable bowel syndrome: the patient’s intestinal tract is more sensitive compared to normal people, and may also have stomach pain after eating bamboo shoots, which may be accompanied by changes in bowel habits (diarrhea or alternating with constipation), heartburn and other symptoms. 3. Indigestion: patients’ digestion, absorption and emptying of food will be impaired to a certain extent, after eating bamboo shoots, if the gastrointestinal tract can not be digested and absorbed in time, it will make the patients experience stomach pain, at this time, patients may also be accompanied by bloating, loss of appetite, nausea and vomiting and other symptoms. In addition, chronic gastritis, peptic ulcer, gastrointestinal cancer and other diseases may also lead to stomach pain when eating bamboo shoots. If the patient has long-term or recurrent stomach pain when eating bamboo shoots, it is recommended to consult a doctor in time to identify the cause of the disease and carry out targeted treatment.