The efficacy of chestnuts is as follows: 1, can benefit the qi and strengthen the spleen, so for weakness, lazy speech, spleen deficiency diarrhea, regurgitation and vomiting, indigestion, if appropriate consumption of chestnuts, through the role of its nourishing the spleen and stomach meridian, and thus can nourish the qi and blood, to achieve the effect of strengthening the spleen; 2, can nourish the kidneys and strengthen the tendons, because from the point of view of Chinese medicine, food therapy, chestnuts are also into the kidney meridian, so for fracture pain, waist and knee weakness, osteoporosis, if appropriate consumption of chestnuts, through the nourishment of the kidney meridian to achieve obvious nourishing the kidneys, strengthen the tendons and bones.