The role of kidneys in Chinese medicine is based on growth and development, reproduction, water metabolism, and energy generation. If the kidneys are in discomfort, it is recommended to consult a doctor in a timely manner for scientific treatment under the guidance of a doctor. In Chinese medicine, the kidneys are considered to be the foundation of the innate nature because they can harbor essence and the essence in the kidneys is the root of the essence in the whole body, so the growth and development of the human body and the function of reproduction are all related to the kidneys. With sufficient essence in the kidneys, the human body can maintain basic life activities, and kidney essence can promote the maturation of reproductive functions. In addition to the above functions, the kidneys can also regulate fluid metabolism throughout the body, such as promoting the production and excretion of urine. The kidneys can also absorb qi and work with the lungs to ensure the normal operation of respiratory functions. Kidney yin and heart yang also have the role of yin and yang, maintaining the balance of the human body.