Dizziness and lack of strength in the feet are mainly considered to be related to upper respiratory tract infection, vascular neurological headache, cervical spondylosis, cardiovascular disease, abnormal blood pressure and blood sugar. In addition to taking medication as prescribed by the doctor, patients should also have a light diet to promote physical recovery.1. Upper respiratory tract infection: viral infection of the body can release a variety of inflammatory mediators that stimulate the blood vessels and muscles in the brain, which in turn leads to symptoms such as dizziness and lack of energy in the feet. Patients can take antiviral drugs and other treatments. In addition, patients should pay attention to rest and keep air circulation to avoid secondary bacterial infections; 2. Vascular neurological headache: mental stress, overwork, lack of sleep and other reasons can lead to vascular neurological headache and dizziness, which can be accompanied by symptoms such as lack of energy in the feet. Usually, patients with mild symptoms can gradually disappear after relaxation and sufficient rest; some patients with severe symptoms can take ibuprofen, indomethacin and other drugs for treatment. In addition, patients can also relax blood vessels and relieve pain by applying cold compresses; 3, cervical spondylosis: due to long-term strain or osteophytes in the cervical spine, intervertebral disc prolapse, so that the cervical spinal cord, nerve roots, vertebral artery compression, sympathetic nerve stimulation, a series of symptoms based on degenerative disc pathological changes, such as dizziness, nausea, in addition to the lack of strength in the feet, the upper limbs will also become numb, weak and inflexible. Patients need to avoid lowering their heads for long periods of time and pay attention to exercising the neck and shoulder muscles. In acute attacks of cervical spondylosis, non-steroidal anti-inflammatory drugs and muscarinic drugs can be applied under the guidance of a doctor to relieve symptoms. If the symptoms are not relieved by conservative treatment for 3 months, or even recurring, affecting normal life and work, surgery should be selected; 4. Cardiovascular and cerebrovascular diseases: due to compression of blood vessels in the brain, intracranial hemorrhage, cerebral ischemia, etc., patients may experience dizziness and foot weakness. Patients with such diseases mainly take medication and surgical treatment, and it is recommended to eat less greasy and stimulating food to avoid aggravating the cardiovascular burden; 5, blood pressure and blood sugar abnormalities: no strength in the feet and dizziness may also be related to elevated blood pressure and blood sugar abnormalities, and can go to the hospital to measure blood sugar and blood pressure to clarify whether they are triggered by this trigger.