Kidney governs winter, and kidney likes black food (black bean products) and salty taste (too salty hurts kidney);

Liver governs spring, liver likes green food (try to eat green vegetables raw), and the taste of acid (too acid hurts the liver);

Heart governs summer and likes red food (hawthorn, red dates, medlar, etc. ) and bitterness (too bitter and too sad);

Spleen governs summer, and spleen likes yellow food (bean products) and sweetness (too sweet hurts spleen).