豆浆 (dòujiāng) literally means 'bean liquid' — 豆 (dòu) means 'bean', specifically soybean in this context, and 浆 (jiāng) means 'thick liquid' or 'broth'. It refers to the creamy, milky beverage made by soaking, grinding, boiling, and straining soybeans. Unlike dairy milk, soy milk is plant-based, rich in protein, and widely consumed in China for breakfast, often served hot or cold, plain or sweetened.

It’s a staple in traditional Chinese households and street-side breakfast stalls, commonly paired with youtiao (fried dough sticks) or baozi (steamed buns). While commercially available versions may contain added sugar or stabilizers, homemade 豆浆 is valued for its freshness and nutritional benefits. It’s also used as a base in cooking, such as in tofu-making or vegetarian soups. As a culturally embedded food, it reflects both dietary habits and agricultural traditions centered on soybeans.