Dendrobium maple is a processed product of Dendrobium, it is taken from the stem of Dendrobium, processed and concocted, and twisted into spiral or spring shape while baking. The effect is mainly to nourish the Yin meridian. It can generally nourish the qi and fluids of the lungs and stomach, and the kidney water is self-generated. According to Chinese medicine, the material basis of life activities is mainly yin liquid, which needs Dendrobium maple dou for nourishment, and can also strengthen the body. Because maple dendrobium has the effect of nourishing Yin and nourishing blood, it can nourish kidney, accumulate essence, nourish stomach Yin and benefit qi. Dendrobium is rich in polysaccharides, which can enhance immune function and can nourish the spleen and stomach. The spleen and stomach have the important role of digesting diet, taking in water and grain essence nutrition and nourishing the whole body. Therefore, it affects the sufficiency or not mainly depends on the function of spleen and stomach. So dendrobium has a relatively good tonic effect on the spleen and stomach.