"Fu" in the classics compiled by Ruan Yuan in Qing Dynasty has three meanings: one is "help" and the other is "help"; One is "protection", meaning protection, and the other is "governance", meaning governance. The so-called "help" literally means help, protection, regulation and governance. As for supporting the yang, it means to protect the temperature and regulate the yang. By supporting yang in this way, the yang of our human body can be improved and strengthened.
Specific to the function of the prescription, it needs to be given in combination with the specific drugs and doses of the prescription, but the main direction is the above.