The effects of loach are: clearing heat and strengthening spleen, diuresis and detoxification. Into the spleen. The effects of leek seeds are: activating qi and dredging menstruation, activating blood and activating yang, warming kidney and removing arthralgia. Into the heart and kidneys. The function of hawthorn: eliminating accumulation, promoting qi circulation and removing blood stasis; These can be used together to strengthen the spleen and tonify the kidney without any side effects.