Hello: Black beans are rich in protein, various minerals and trace elements. Traditional Chinese medicine believes that black beans have the effects of detoxifying and clearing heat, nourishing blood and calming the liver, tonifying kidney and strengthening yin, and tonifying deficiency and blackening hair. Honeysuckle has the effect of clearing away heat and toxic materials; Radix Rehmanniae has the effects of clearing away heat and cooling blood, nourishing yin and promoting fluid production; Drinking raw water of black beans and honeysuckle has the effects of clearing away heat and cooling blood, tonifying kidney and nourishing liver.