Tightness in the chest and numbness in the hands may be cardiac neurosis, cervical spondylosis, hypoglycemia, coronary heart disease. 1. Cardiac neurosis: Cardiac neurosis refers to the symptoms of cardiac discomfort caused by psychosomatic diseases, and patients may show symptoms of chest tightness and numbness of hands. 2. Cervical spondylosis: patients with cervical spondylosis may lead to spinal stenosis, resulting in spinal nerve compression, showing symptoms of chest tightness and tingling. 3. Hypoglycemia: patients who do not eat for a long time or have diabetes may trigger hypoglycemia, and low blood sugar triggers autonomic nervous system dysfunction, which may cause chest tightness and numbness of the hands. 4. Coronary heart disease: patients with coronary heart disease, will lead to myocardial ischemia, affecting the blood circulation of the whole body, there will be chest tightness and tingling symptoms. Chest tightness and numbness of the hands of more reasons, serious recommendations for timely medical treatment.