Patients always have the symptoms of dizziness and general weakness, mainly consider the following causes: 1, to consider may be caused by anemia, patients may be accompanied by easy fatigue, pale face, pale nails these symptoms. If the patient is usually malnourished or has ulcers in the digestive tract, chronic anemia may occur; 2. If the patient is always dizzy and weak, if he is elderly, he should also consider that it may be caused by insufficient blood supply to the brain and cerebral arteriosclerosis, and it is recommended to improve transcranial Doppler examination to clarify; 3. If the patient always has symptoms of dizziness and general weakness, he should consider that it is caused by some systemic diseases, such as the presence of Cervical spondylosis, due to long-term posture or poor sleep, cervical spine hyperplasia, deformation of the muscles in the neck after contraction, the vertebral artery blood supply is blocked, will lead to patients with dizziness, generalized weakness symptoms.