Soybean has the effect of strengthening the spleen and nourishing the stomach, which is rich in soybean oligosaccharides, which can promote the growth of bifidobacteria, thereby facilitating the regulation of gastrointestinal function and inhibiting the growth of harmful bacteria in the intestine. Secondly, soybeans are rich in plant protein, dietary fiber, and soy phospholipids, which can enhance the body's immunity and resistance, and help regulate endocrine function.