Patients with hypertension can eat Huai Shan, which is more suitable for treating patients with spleen deficiency, lung deficiency and kidney deficiency type. The main effect of Huai Shan is to benefit Qi and nourish Yin, nourish the spleen, lungs and kidneys, astringent essence and stop belt. Huai Shan is sweet and flat, can nourish the spleen, benefit the spleen and Yin, can be both astringent, also can stop diarrhea and belt, suitable for weak spleen or Qi and Yin deficiency, emaciation and weakness, loose food or diarrhea and women with belt. Huai Shan can also nourish the qi of the spleen, lung and kidney, and also nourish the yin of the spleen, lung and kidney, treating thirst disorders and qi-yin deficiency.