Kidney deficiency and hand trembling are not necessarily related, but are caused by different reasons, respectively, and can be treated according to the specific situation. The causes and treatments are as follows: a. Kidney deficiency: usually caused by excessive indulgence, decreased immunity, congenital deficiency, aging, lack of nutrition, long-term alcoholism and eating spicy foods, etc. The symptoms of kidney yang deficiency are mainly lumbar acidity, cold extremities and coldness, while the symptoms of kidney yin deficiency are mainly lumbar acidity, dryness and heat, night sweats, false sweats, dizziness and tinnitus. When the kidney deficiency is recommended to maintain a regular sex life, should not be too frequent, kidney yin deficiency patients can be under the guidance of the doctor to consume six flavors of Dihuangwan, etc., usually with wolfberry water to drink for conditioning, while kidney yang deficiency patients can be under the guidance of the doctor to consume Jin Kui kidney pills, etc., usually can eat more lamb, sea cucumber and other foods that strengthen the kidneys and yang, at the same time, daily attention should be paid to strengthen physical exercise to improve the body’s immunity; Second, hand trembling: 1. Physiological hand tremors: physiological hand tremors are small in amplitude and fast, irregular hand tremors that occur in cases of tension, excitement, panic, etc. Most of them will ease on their own after emotional recovery; 2. Pathological hand tremors: common causes of pathological hand tremors are idiopathic tremors, cerebral thrombosis, senile tremors, Parkinson’s, hyperthyroidism, cerebellar lesions, etc. If hand trembling occurs in a quiet state, it is considered to be caused by pathological factors, and patients need to go to the hospital for relevant examinations and treatment for the cause in a timely manner.