The invention provides slimming tea for treating high lipid and obesity. The technical scheme of the slimming tea is characterized in that a formula includes, by mass, 30g of common yam rhizome, 30g of cassia seed, and 30g of haws. The above traditional Chinese medicines can be stir-fried until cooked and ground into fine powder together; the tea can be drunk three times per day for 5g per time; and the tea has effects of effectively invigorating qi and strengthening spleen, inducing diuresis, and reducing lipid to lose weight.