Three beans Today's soybean is made of red bean, green beans and black beans. The green beans are the usual food for summer heat relief, and the red beans are able to absorb the swelling and wet effect. The black beans, although they do not function as heat relief, have high nutritional value for their spleen and kidneys. The presence of green beans and red peas offset their coldness with a more balanced diet that not only cools the summer but also spleen wets。