Astragalus and yam water has a very good effect of replenishing qi, for qi deficiency caused by lazy speech, body easily fatigued, limbs weak, if appropriate drink astragalus and yam water, through the replenishment of qi and has a very good alleviation of the above symptoms, improve the efficacy of physical quality. Astragalus and yam water also has a good nourishing effect on the spleen and stomach, because yam is the holy medicine to strengthen the spleen, and astragalus has a very strong role in replenishing the spleen, so for people with loss of appetite, indigestion, easy to eat abdominal pain, abdominal distension, by drinking astragalus and yam water to nourish the spleen and stomach, to improve digestion will also be very strong.