Autonomic function decline should remove the causative factors, the disease is mainly caused by excessive stress, thinking too much, lack of sleep, suffering from significant stimulation, in daily life should relax the body and mind, avoid strain, improve the environment, reduce stimulation, try to avoid drinking strong tea and coffee, develop a good routine and cultivate a reasonable and healthy diet. Autonomic function decline should be treated with medication when necessary. Autonomic function decline will result in poor memory, unclear thinking, slow reaction, insomnia and other symptoms, and should be treated with vitamin B6, methylcobalamin, rat nerve growth factor and other nerve-nourishing drugs, as well as with cerebral vasodilator and sedative drugs. In addition, to ensure sufficient sleep in life is also important to maintain the normal function of the autonomic nerves.