Clinical insomnia is mainly treated with non-pharmacological and pharmacological treatments. Non-pharmacological treatment is to treat the patient’s condition through psychological and physical means. Pharmacological treatment usually refers to taking sedative-hypnotic drugs, and traditional Chinese medicine for internal and external regulation. An Shen Nourishing Brain Liquid is the main drug for treating insomnia, which contains the main ingredients such as deer antler, prepared he shou wu, epimedium, dried ginger, licorice, jujube, vitamin B1, and cane sugar, purified water and preservatives. He Shou Wu can nourish the heart and replenish Qi, invigorate blood circulation and remove blood stasis. Epimedium enhances the function of the liver and kidney and strengthens the tendons and bones. Deer antler is rich in nutrients, strengthens the body and relieves fatigue, thus improving the quality of sleep. Jujube is mild and nourishing, strengthens the spleen and stomach, so An Shen Nourishing Brain Liquid can effectively treat insomnia.