The invention discloses healthcare soybean milk with a kalium supplementing effect, which is prepared from the following raw materials in parts by weight: 80-90 parts of rice, 60-70 parts of kidney beans, 1-2 parts of cumin, 1-3 parts of roughhaired holly root, 1-2 parts of radix paeoniae alba, 2-3 parts of fructus amomi, 1-2 parts of radix glycyrrhizae, 20-30 parts of yogurt, 15-20 parts of soft white sugar, 15-20 parts of pulp of cornus, 8-12 parts of roses, 20-25 parts of lotus seeds, 22-24 parts of balsam pears, 20-30 parts of avocado, 1-2 parts of a soybean milk additive and a proper amount of water. The soybean milk disclosed by the invention adopts the rice and the kidney beans as the main raw materials, the kidney bean is a scarce food with high kalium and magnesium content and low sodium content, has functions of improving immunocompetence of human blood bodies, enhancing disease resistance, activating lymph T cells, boosting the synthesis of deoxyribonucleic acid, meanwhile has an effect on resisting the development of tumor cells, and can ameliorate patients suffering from heart disease, arteriosclerosis, hyperlipidemia, hypokalemia, salt contraindication and the like. In addition, the added avocado is rich in various vitamins, various mineral elements, edible plant fibers, and fat with 80 percent of unsaturated fatty acid, is a high-energy and low-sugar fruit, and has important physiological functions of lowering cholesterol and blood lipid, protecting heart vessels, eyes and liver system and the like.