It is designed with combination of semiconductor laser and low-frequency pulse. Laser irradiate sympathetic and parasympathetic nerves in nasal cavity, shrink and expand blood vessels in nose mucosa ,which reflectively improve blood circulation in head and the whole body ,achieve assistant therapeutic effect on hypertention, ,hyperlipidemia, hyperglycemia and so on cardiac& cerebral diseases. Low-frequency pulse can stimulate nerve muscle tissue, improve part blood circulation, dredge meridian, relieve pain, and eliminate or relieve diseases.