High cholesterol belongs to the concept of western medicine, while kidney deficiency belongs to the concept of Chinese medicine, and there is no direct relationship between them. 1. High cholesterol generally refers to high LDL cholesterol and hypercholesterolemia, which is a risk factor for diseases such as coronary atherosclerotic heart disease and renal failure, and belongs to the concept of Western medicine. 2. Kidney deficiency is a Chinese medicine concept, including kidney yang deficiency, kidney yin deficiency, kidney qi deficiency and other different types. Kidney yang deficiency is characterized by coldness in the waist and knees, lack of warmth in the limbs, abdominal pain and loose leakage, etc. Kidney yin deficiency is characterized by soreness in the waist and knees, heat in the hands and feet, night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), etc. Kidney qi deficiency is characterized by soreness in the waist and knees (the sensation of soreness and weakness of the waist and knees), and lack of strength in the limbs. There is no direct relationship between high cholesterol and kidney deficiency. Some people with high cholesterol may have the above symptoms of kidney deficiency, and people with kidney deficiency may also have high cholesterol. If you have high cholesterol or kidney deficiency, it is recommended to ask your doctor and take standardized treatment under his/her guidance.