The term “spring, summer melons, autumn fruit and winter roots” is used in civil society. In spring, everything is born, and this is the best time to eat buds. Speaking of buds, the most common is soybeans. The soybeans contain a large amount of protein and are called "plant meat". However, it also contains insulin inhibitors and more acid implants, which affect the absorption and use of nutrients. Since the soybeans sprouts, proteins have been hydrolyzed to amino acids and polyazine, increasing soybeans protein utilization by about 10 per cent, especially for vegetarians, soybean sprouts are the best source of protein。