The role of cassia seed: clearing liver and improving eyesight, moistening intestines and relaxing bowels; The nature and taste of lotus leaves are: bitter, astringent, cool, and fragrant in the heart, liver and spleen; The effects are: eliminating summer heat and promoting diuresis, strengthening spleen and strengthening yang, removing blood stasis and stopping bleeding. The function of hawthorn: eliminating accumulation, promoting qi circulation and removing blood stasis; The function of hemp seed: moistening intestines and relaxing bowels; These can be used together to relieve constipation and to lose weight.