Soybean pettitoes soup is a kind of China medicated diet. The method is simple, nutritious, suitable for nourishing in autumn and winter, and has the effects of promoting lactation, invigorating qi and blood, tonifying deficiency and strengthening body. Scald pig's trotters with boiling water, remove hair and scrape off floating skin; Soak soybeans in advance 1 hour for standby; Wash ginger and slice; Cut the green onion into sections; Add water and ginger slices to pig's trotters, boil and skim off the fat; Add wine, onion and soybean, cover the pot, and simmer slowly; Until it is half crisp, add refined salt and cook for 1 hour; Add msg.