Insomnia is also known as insomnia in traditional Chinese medicine. Fosu Capsule is not suitable for all categories of insomnia, and it has some curative effect on insomnia caused by kidney yin deficiency. The basic etiology of insomnia is the imbalance of yin and yang, which is mostly caused by pathological factors such as liver qi stagnation (poor qi and blood transportation of the liver and emotional depression), phlegm, phlegm-heat and stagnation of blood, or insufficiency of liver and blood, deficiency of kidney yin and deficiency of the heart and spleen (deficiency of the heart and the spleen) and other reasons of deficiency of the original and the underlying causes. Fushou Capsule is composed of Morinda Citrifolia, Prepared Fleeceflower, Fructus Lycii, Gynostemma, Rose Eggplant, etc. It has the efficacy of nourishing the liver and kidneys, regulating internal organs, benefiting qi and nourishing blood (replenishing the body’s qi and blood), and supporting the uprightness and consolidating the essence. It is used to improve fatigue, dizziness, tinnitus, insomnia, lumbar and knee soreness and weakness (a feeling of soreness and weakness in the lumbar and knee regions), chills and cold limbs (fear of cold, cold limbs) and frequent nocturnal urination or residual leeching in middle-aged and elderly people. Patients are advised to use the medication under the guidance of a doctor and should not take the medication on their own to avoid delay.