1.650nm semi-conductor laser 2. extravascular radiation on radial artery 3. twice per day, 30 minutes each time can prevent and cure cardiovacular and cerebrovascular diseases 4. Wear it on the left wrist with the laser output hole aiming at the radial artery. you can start your treatment at any time and anywhere,won't affect your daily life. 5. Sole patent in China, and are applying for international patent. 6. Clinial application: hyperlipidemia, hyperviscosity,hyperglycemia, different kinds of cardiovascular and cerebrovascular diseases(cornonary disease, angina,myocardial infarction, atherosclerosis, cerebral thrombosis,cerebral infarction, cerebral apoplexy and its complication, brain atrophy, headache, vertigo, hard breath, insomnia,impotence and limb numbness etc ), diabetes and its complicatoin as well as different kinds of sub-health. 7. Normally, the blood lipid, blood pressure, blood sugar can be reduced within 30 days. For blood viscosity, the effect can be seen within 30 minutes