Tofu brain, also known as water tofu, is a famous traditional snack. Highly nutritious foods made of soybean protein are mostly sold in the morning, often mixed with tofu and tofu. According to different tastes in different places, the north prefers salty taste, the south prefers sweet taste, and some areas, such as Sichuan, like hot and sour taste.

Tofu brain is rich in nutrition, containing many essential trace elements such as iron, calcium, phosphorus and magnesium, as well as sugar, vegetable oil and rich high-quality protein, and is known as "vegetable meat". The digestion and absorption rate of tofu is above 95%. Two small pieces of tofu can meet a person's daily calcium requirement.