Anxiety is an adverse emotional response that can directly affect gastrointestinal function and lead to gastrointestinal disorders. Patients will be in anxiety, mood upset, affecting patients with abdominal pain, diarrhea, nausea, vomiting, indigestion and other symptoms, mainly because the human body has a brain-intestinal axis, brain-intestinal axis is a kind of intestines and the brain between the information exchange network, which because of the emergence of emotional anomalies and anxiety, will lead to the body’s hormonal changes, neurotransmitters of the substances change, such as 5-hydroxytryptamine, etc., and neurotransmitters in turn, which affects the human gastrointestinal function. The neurotransmitters will affect the function of the gastrointestinal tract, and gastrointestinal dysfunction will occur. Gastrointestinal dysfunction is in fact a functional disease, and it must be that after the patient undergoes gastroscopy or colonoscopy and other examinations, no clear organic damage is found, but the patient’s gastrointestinal dysfunction is directly related to anxiety, which leads to the symptoms mentioned above. In this case, it is still recommended that the patient must maintain a good mood, and if he/she is unable to control the anxiety by himself/herself, he/she can go to a psychiatric-psychological department for symptomatic pharmacological interventions, which can significantly alleviate the gastrointestinal dysfunction.