Long squatting stand up dizziness and black eyes, may be postural hypotension, hypoglycemia, anemia and cervical spondylosis and other causes. 1. Postural hypotension: when people squat for too long, blood pooling in the lower limbs, suddenly stand up when the body’s blood can not be supplied to the brain in a timely manner, resulting in insufficient blood supply to the brain, manifested as dizziness, black eyes, and even loss of consciousness may also occur. This is a normal physiological phenomenon and requires no special treatment. 2. Hypoglycemia: patients with hypoglycemia have insufficient cerebral blood supply, which may result in dizziness and blackness when standing up after squatting for a long time, accompanied by symptoms such as panic, sweating and tremor. 3. Anemia: anemia patients due to the decline in hemoglobin, can cause brain hypoxia, thus appearing long squatting stand up dizziness and black eyes symptoms. 4. Cervical spondylosis: patients with cervical spondylosis due to arterial blood pressure in the neck, squatting for a while after standing up, the brain blood supply is insufficient, there will be a long time squatting and standing up dizziness, black eyes symptoms. Patients appear long squatting stand up dizziness, black eye symptoms, should go to the hospital in a timely manner, clear cause, under the guidance of the doctor reasonable treatment.