The purpose of the invention is to provide a method for making health tea by using sweet potato tender shoots. The health tea is made from the sweet potato tender shoots through sterilizing, roller enzyme deactivating, homogenizing, vacuum impregnating and freeze drying technologies, vacuum impregnating and freeze drying technologies are combined to make the making time be dozens of times shorter than traditional making time, the method is simple and is easy to operate, the health tea has smooth surface, and the sweet potato tender shoots have bright color and good flexibility, and cannot be damaged, and the health tea keeps the original color, smell, taste, shape and nutrition components of the sweet potato tender shots. The health tea can be drunk for a long term to enhance the immunity, improve the disease resistance of bodies, promote metabolism, delay ageing, reduce the blood sugar, relax bowel, promote urination, rise the thrombocyte, stop bleeding, prevent arteriosclerosis, prevent cell canceration, promote lactation, detoxify, protect eyesight and prevent nyctalopia, so the health tea can prevent and treat constipation, inhibit propagation of harmful florae in the intestinal tract, improve the intestinal environment and protect the intestinal tract. The method develops a new health tea drink for modern life, and increases the income of peasants.