Lying suddenly stand up dizziness symptoms, mainly due to postural hypotension, mostly seen in elderly patients suffering from atherosclerosis. The treatment method mainly includes the following points: 1. When changing the position, move slowly, it is best to do three half minutes, that is, half a minute lying in bed when the patient is ready to get up; half a minute sitting in bed after getting up; half a minute standing when changing from sitting to standing position. The body can better adapt to the reduced cerebral blood flow caused by the change of position to avoid symptoms such as dizziness, blurred vision, and even fainting. 2.Give active anti-atherosclerosis treatment. Anti-atherosclerosis can improve the elasticity of blood vessels so that the body can better adapt to the redistribution of blood caused by the change of body position. The main treatment options, including aspirin anti-platelet aggregation as well as statin lipid regulation and plaque stabilization therapy. 3. Measure blood pressure in the standing and lying position. If a patient presents with significantly lower blood pressure in the standing position than in the prone position, the presence of postural hypotension is considered, and Midodrine may be given as symptomatic treatment.