Liver and Kidney Weakness, i.e. Liver and Kidney Deficiency (weakness of the functions of the liver and kidneys) syndrome, is manifested by symptoms such as lumbar soreness and dystocia (pain in the area of the coats of arms and ribs), dizziness, tinnitus, and spermatorrhea. Deficiency of the liver and kidneys is mostly due to the loss of yin of the liver and kidneys after a long period of illness, or internal injuries due to emotions, or indiscretion in the bedroom, or prolonged warmth, etc. Deficiency of yin of the liver and kidneys (deficiency of yin and fluid in the liver and kidneys) is caused by the fact that yin does not control yang, and the internal disturbances of deficient heat are caused by the deficiency. The patient manifests dizziness, hidden pain in the chest and ribs, dryness of the eyes, tinnitus and forgetfulness, lumbar and knee soreness and weakness, insomnia, dry mouth and throat, heartburn and heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), or low-grade heat and zygomatic redness (reddish color in the cheeks and zygomatic bone area), spermatorrhea in men, and menorrhagia in women, etc. The treatment of Liver and Kidney Deficiency is to identify the cause of deficiency heat, and to identify the causes of deficiency heat. To treat deficiency of the liver and kidneys, medicines such as Qi Ju Di Huang Pill and Da Zhen Yin Pill can be taken for evidence-based treatment. The above medicines should be taken under the guidance of a professional doctor, and should not be used on one’s own.