Turtle and Deer Erxian Gum has some tonic effects on kidney qi deficiency, but it is not a formula that specializes in treating kidney qi deficiency. The main function of this medicine is to nourish yin and benefit the kidney, benefit qi and yang, fill in the essence and marrow (replenish essence and semen and promote bone marrow development), and supplement both yin and yang, so as to treat deficiency of vital energy and insufficient essence and blood. Turtle and Deer Erxian Gum is a famous formula for double tonic of yin and yang. The whole formula consists of medicines such as tortoise shell, deer antler, ginseng, wolfberry, etc. It has the effects of filling in essence and marrow, nourishing kidney yin, benefiting qi and strengthening yang, and treating diseases related to deficiency of vital energy and essence and blood. This formula has some tonic effect on simple kidney qi deficiency, but its effect is limited and it is not the first choice for treating kidney qi deficiency. Guolu Erxian Gum is a tonic drug with no significant adverse effects. It is contraindicated for those who are allergic to the ingredients of the drug, and should be used with caution by children. It should not be taken together with cold and flu medicines. If you need to use Guolu Erxian Gum, you should take the medicine under the guidance of traditional Chinese medicine, do not self-medicate.