Fufang Xuanju Capsules can be taken for both yin and yang deficiency. Fufang Xuanju Capsule is mainly used for treating kidney yang deficiency, which is characterized by mental fatigue, cold essence, cold limbs, lumbago, weak knees and cold abdomen. Compound Xuanju Capsule has the efficacy of strengthening the yang and dispelling the wind, benefiting the essence and warming the kidney, and removing dampness and benefiting the qi. Among the main ingredients, snakebeds have the efficacy of dispelling wind and strengthening the yang, warming the kidney and relieving itching; black ants have the efficacy of dispelling wind and dispelling dampness, activating blood circulation and removing blood stasis; Chinese wolfberry has the efficacy of nourishing the liver and kidneys; Horny goat weed has the efficacy of strengthening the yang and tonifying the kidney, and reinforcing the tendons and bones, and the combination of the four can effectively treat the kidney yang deficiency and wind-cold paralysis and obstruction. A few patients may experience skin allergy, nausea, stomach distension and burning sensation in the stomach after taking the medicine. Please note that people with yin deficiency and fire or those with history of drug allergy or hypersensitivity should take the medicine under the guidance of a physician. If patients need to use Fufang Xuanju Capsules due to deficiency of yin and yang, they need to be identified by a doctor and follow the doctor’s instructions to standardize the use of medication, and should not blindly use the drug without authorization.