Kidney deficiency is a Chinese medical term for a weakened function of one of the overall functions, namely the kidneys and kidney-related tissues. In normal life, due to various reasons such as tiredness, staying up late, excessive masturbation, frequent masturbation can cause the overall function of the body to decline. The kidney yang deficiency such as: waist and knee pain, fatigue, lack of energy, fear of cold, cold limbs, back pain, urine, etc.; or kidney yin deficiency such as: waist and knee weakness, dizziness and tinnitus, insomnia and dreaminess, thirst, hot palms and feet, hot flashes and night sweats. But in general, the human body has a strong ability to repair and adjust, in the early stages of some disorders, through a period of maintenance most people can be effectively adjusted. For example, if a person sleeps poorly and has dark circles under the eyes, it may be a sign of insufficient qi and blood and poor circulation, but as long as you maintain a few days of quality sleep, you will look great again, rather than necessarily using medicine.