Cinnamon can tonify the kidney, cinnamon is called longan meat in Chinese medicine, belongs to the heart and spleen meridians, has the effect of tonifying the heart and spleen, benefiting qi and blood, for qi and blood deficiencies, heart and spleen deficiency has a certain effect of improvement.

Gui Yuan is longan. Longan is a kind of cactus, which is a genus of strong prickly balls in the cactus family. This cactus is spherical, oblate, or sub-cylindrical, usually taller, at a height of less than 30 centimeters.