80-100g of fresh white gourd (or dried white gourd kernel10-15g, fresh 30g) and japonica rice100g are used as raw materials. Scrape the wax gourd with a knife, wash it, cut it into small pieces, put it in a casserole with japonica rice, and cook it into porridge (no salt in the porridge). Or fry the water residue with wax gourd seeds first, and then cook the japonica rice in porridge. It is effective to eat it regularly twice a day in the morning and evening. It has diuretic, repercussive, heat-clearing and thirst-quenching, weight-reducing and lipid-lowering effects.