First of all, the three high laser therapy device refers to diabetes, hypertension, hyperlipidemia, from the theoretical point of view, the three high laser therapy device is effective. Its principle is to change the nature of hemodynamics through irradiation, reduce blood viscosity, remove toxins and free radicals from the blood. The laser is a low intensity laser with a wavelength of 650 nanometers, which is irradiated through the nasal cavity and then altered. Currently in the clinical application of very little, it is only based on a theory, from the theoretical point of view, it can promote blood circulation, reduce blood viscosity, can reduce blood fat, reduce blood pressure, and can reduce blood sugar. Clinical role has not been fully confirmed, for the three high at present is mainly life regulation and medication control or more reliable.