The invention provides a health care green-valley mixed powder and a method for preparing the same, which belongs to the technical field of nutrient and health care food. The invention is characterized in that rice, black rice, red beans, green beans, corns, wheat, black sesame seeds, cashews, lilies and lotus seeds are formed by dipping, baking, and being crushed into powder, and the health care green-valley mixed powder is obtained; the preparation method comprises: according to the weight ratio, the rice, the black rice, the red beans, the green beans, the corns, the wheat, the black sesame seeds, the cashews, the lilies and the lotus seeds are firstly water-washed and then dipped in fresh water, after the softening of the materials, the excessive water is filtered, the materials are mixed and put in a drying oven for baking, when the materials are well baked and loose, the materials are taken out of the drying oven and cooled down, and crushed into powder by a crusher, and the health care green-valley mixed powder is obtained. The health care green-valley mixed powder has sufficient energy and abundant and balanced nutrition; if often taking the mixed powder, the user can become stronger and the illness resisting capability of body is improved, and the mixed powder also has the health care function of preventing a plurality of diseases; moreover, the mixed powder has the advantages of abundant and balanced nutrition, low production cost and convenient taking, so that the mixed powder is convenience food and auxiliary food for baby.