It is recommended to take it in the morning about 1 hour before or 2 hours after breakfast, and in the evening about 1 hour before or 2-3 hours after dinner. The main ingredients are He Shou Wu, jujube, ginger, licorice, Epimedium, vitamin B, etc. Because of the complexity of the ingredients, it is generally required to be taken on an empty stomach in order to achieve a better absorption effect. If taken mixed with food, some chemical reactions may occur, affecting the efficacy or even toxic reactions. It is effective in treating insomnia and forgetfulness, but the effect is slow and needs to be taken for a long time. In general, you can take three courses of treatment, one course of treatment is 15-21 days.