When the kidney yin deficiency and kidney yang deficiency exist at the same time, the body will experience fatigue, weakness, dry mouth and throat, blurred vision, hot flashes in the five hearts, night sweats, cold extremities, fear of cold, frequent night urination and other clinical symptoms of yin and yang deficiency. When the Chinese medicine identifies the deficiency of both yin and yang, it can be treated by nourishing the yin liquid, and at the same time with the herbal medicine that warms the yang qi to tune the symptoms of kidney yang deficiency and kidney yin deficiency, and can be treated orally with Jinqiang Renqi Wan, Liu Wei Dihuang Wan or Zuo Gui Wan and Right Gui Wan. At the same time, dietary therapy can add wolfberry, maitong, ginger, cinnamon, etc., to tune the body Yin and Yang deficiency symptoms.