Dizziness and weakness of the limbs can be seen in the following conditions: i. In patients with anemia, in addition to the symptoms of dizziness and weakness of the limbs, there is often pallor of the skin mucosa and pallor of the lid conjunctiva. There are also symptoms of palpitations, chest tightness, and shortness of breath after activity, and routine blood tests can reveal that hemoglobin is reduced. Second, dizziness and weakness of the limbs can also be seen in people with increased blood viscosity, especially in the elderly. Often combined with hypertension, hyperglycemia or hyperlipidemia, etc., there can be slow blood flow and blood stagnation, resulting in dizziness and weakness of the limbs. Third, if the long-term poor diet, poor rest, mental stress is relatively large, may also appear dizziness and weakness of the limbs.