A group of tonics to replenish materials and enhance the functions of the human body, improve body resistance and relive deficiency symptoms. Deficiency supplementing herbs are usually sweet in taste and warm in nature with a meridian affinity for the liver and kidneys. In the clinic, there are differences in deficiency of Qi, blood, Yin, Yang and Qi and blood. Therefore, tonics are also divided into five categories: qi, blood, qi and blood, and yin and yang. However, in specific applications, they can be adjusted according to the condition. 凡用滋补人体气、血、阴、阳的药物为主,组成的方剂,统称为补益剂。 Chinese medicines with Tonic Effects According to modern research, the pharmacological actions of deficiency supplementing agents are relating to Enhancement of Immunity, Adjustment of the Nervous System, Adjustment of the Metabolism, Adjustment of the Endoctrine System, Anti-Aging Action, Actions on the Cardiovascular System, Actions on the Hematopoietic System, Actions on the Digestive System, Actions on the Respiratory System.