Symptoms of sympathetic nervous disorder mainly include gastrointestinal abnormalities such as nausea and vomiting; circulatory abnormalities such as panic and chest tightness; and neuropsychiatric symptoms such as anxiety and depression. It is recommended to seek immediate medical attention and active treatment. 1. Gastrointestinal abnormalities: Sympathetic nervous disorders are mainly caused by factors such as high psychosocial pressure, family genetics and endocrine abnormalities. Patients will have obvious nausea, vomiting, even abdominal pain, diarrhea and other gastrointestinal symptoms. 2. Circulatory system abnormalities: sympathetic nervous disorder can also affect the circulatory system. Patients will have postural hypotension, chest tightness, panic and other discomforts. 3. Neuropsychiatric symptoms: patients with sympathetic nervous disorder may experience anxiety, depression, easy fatigue, easy mental excitement, and great emotional changes. It is recommended that the patient immediately seek medical advice, can follow the doctor’s instructions oral glutamine, vitamin B ₁ ₂ and other drugs, in order to improve the symptoms. It is recommended that patients learn to self-regulate their emotions, find someone to talk to or learn to self-regulate when they are distressed or stressed. At the same time, avoid sudden standing or sitting up.