The co-existence of yin and yang deficiencies can be analyzed by taking Chinese medicines such as Ginseng and Deer Fuzheng Combination and Longling Chun Combination. Ginseng and Deer Fuzheng Combination is composed of ginseng, deer antler gelatin, ripened rhubarb, wolfberry, poria, and cistanch, etc. It has the efficacy of nourishing yin and strengthening yang, and strengthening the root of the body. It can treat dizziness and tinnitus caused by yin and yang deficiencies, forgetfulness and insomnia, fatigue (mental exhaustion, physical weakness), and lumbar-knee aches and pains. The adverse effects of Ginseng and Deer Fuzheng Combination are not clear, but it should be noted that it is prohibited for pregnant women and children. Longlingchun Combination is composed of red ginseng, deer antler, ripened dihuang, cuscuta, cistanchis, hyssop, and epimedium, etc. It has the efficacy of tonifying the kidney and assisting the yang, filling the essence and tonifying the blood, and it can treat impotence and premature ejaculation due to deficiency of yin and yang, cold pain in the lower back and legs, lack of warmth in the hands and feet, and tiredness and weakness (tiredness and weakness of body), and other symptoms. The adverse effects of the drug are not clear, but it should be noted that pregnant women, alcohol allergy and patients with liver disease are prohibited. If there are any related symptoms, it is recommended to seek medical advice in time, do not self-medicate.