Gastrointestinal neurosis does not have the most serious manifestations. Common manifestations include postprandial fullness, abdominal pain, diarrhea, constipation, etc. More serious manifestations include persistent abdominal pain, severe diarrhea or constipation. Gastrointestinal neurosis, also known as gastrointestinal dysfunction, functional gastrointestinal disease, manifested as chronic or recurrent gastrointestinal symptoms, symptoms are variable, common manifestations include postprandial fullness, early satiety, epigastric burning sensation, abdominal pain, diarrhea, constipation and so on. If patients do not receive timely treatment and intervention, symptoms may worsen after the disease progresses, such as persistent abdominal pain, severe diarrhea and constipation, blood in the stool and other more serious manifestations, and long-term illness may also affect the patient’s quality of life, with accompanying symptoms such as insomnia, anxiety and headache. Patients with the above symptoms should consult a doctor in time for examination and active treatment under the guidance of the doctor to avoid delays.