A day without meat is better than a day with beans. People can eat no meat for a day, and protein and other nutrients will be less, but they can't eat no beans for a day. Plant protein is actually better, and eating more tofu at home will cause fewer problems. Children can pay special attention to supplementing beans and meat.

"Effective prescriptions of famous doctors in the world" contains: "Sandou drink can cure the rash beans in heaven, promote blood circulation and detoxify. Or you think that there is this card in the township, and you will not be dyed if you guard against it. " It is rumored that Sandau drink came from Bian Que in the Spring and Autumn Period, but Liang Qiushi said: "It has been more than three generations." You don't have to struggle.

"Red beans, black beans, mung beans (one liter each) and licorice (half two)" are the original formula of Sandou drink.

Red beans have the effect of "treating cold and heat to quench thirst, stopping diarrhea and diuresis". Nowadays, people often confuse adzuki beans with red beans. In the Compendium of Materia Medica, there is a paragraph that explains: "This bean is used as medicine for those who are tight and dark. It is slightly big and bright red and reddish, and it does not cure diseases." This bean refers to red beans, and slightly larger and brighter red beans are ordinary red beans.