Gastrointestinal tract dysfunction, the diseases that cause symptoms mainly include functional dyspepsia, such as postprandial fullness, belching, nausea; irritable bowel syndrome, such as abdominal pain, abdominal distension and so on. 1. Functional dyspepsia: gastric symptoms are dominated by postprandial fullness, early satiety, mid-upper abdominal distension, burning sensation in the mid-upper abdomen, belching, lack of appetite, nausea and so on. Often to a certain or a group of symptoms mainly, in the course of the disease symptoms can also change. The onset of the disease is slow, persistent or recurrent, and many patients have dietary, mental and other triggering factors. 2. Irritable bowel syndrome: intestinal motility disorders. Clinically, it usually manifests as abdominal pain, abdominal distension, active bowel sounds, diarrhea and constipation. Among them, abdominal pain can be aggravated by the stimulation of eating cold and raw food, and can be alleviated after defecation and defecation. If long-term gastrointestinal dysfunction can not absorb a variety of nutrients, the later may lead to malnutrition, mainly manifested as weakness, depression and other symptoms, seriously affecting the patient’s health and quality of life, need to be found as early as possible to timely consult the doctor under the guidance of the doctor through the adjustment of dietary habits, stabilize the mood, quit smoking and prohibit alcohol, intestinal probiotics and other ways to improve. If discomfort occurs, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to clarify the cause of the disease and targeted treatment, do not take medication to avoid delaying the condition.