How is frequent collywobbles diarrhoea vomiting to return a responsibility

Frequent abdominal pain, diarrhea and vomiting symptoms, first of all should consider whether improper diet, abdominal cold and other factors caused by chronic gastroenteritis caused by symptoms. Secondly, can not rule out the possibility of suffering from malignant tumors of the digestive tract. Suggestions: patients need to go to the hospital gastroenterology department in time to find out the cause.