Liver and kidney deficiency (weakness of liver and kidney functions) generally refers to deficiency of the liver and kidneys, which is mainly caused by prolonged illness and strain, old age and frailty. Liver and Kidney Deficiency belongs to the name of the disease in Chinese medicine. Firstly, for those who have been ill for a long time and have suffered from labor, it is easy to cause Liver and Kidney Deficiency. Secondly, with age, patients with weak physique are also prone to liver and kidney deficiencies. In addition, those with kidney essence deficiency can also lead to liver and kidney deficiency due to insufficient essence and blood. Patients with liver and kidney deficiency will have dizziness, tinnitus, deafness, vertigo, etc. Treatment is based on tonifying the liver and kidney, and commonly used traditional Chinese medicines include dog’s spine, cow’s knee, eucommia, and mulberry parasol. Attention to allergies to the above drugs are prohibited. There are many reasons for the deficiency of the liver and kidney, if the patient has the above symptoms, he should consult a doctor in time, cooperate with the doctor to standardize the treatment, do not take medication without authorization, to avoid delaying the condition. Patients with deficiency of liver and kidney also need to pay attention to rest, appropriate exercise to enhance physical fitness. Diet should be light, eat more fresh vegetables and fruits.