According to Baidu Encyclopedia, the word silk tofu comes from Japan, which divides tofu into kapok tofu and silk tofu. Silk tofu refers to tofu with delicate texture. The main raw material is tofu, which is suitable for all ages. According to the inquiry of Reading Food Network, tender tofu is a kind of food with soybean as the main raw material, which contains high protein and can be made into various dishes. Originated in China, it has the characteristics of beautiful appearance, high nutritional value and rich product variety. So the difference between the two is the source and raw materials.

Tender tofu, also known as south tofu, soft tofu and gypsum tofu, is softer and more delicate than north tofu with gypsum as the molding agent. Using gypsum to make tofu is more common in rural areas. The main process of making tender tofu is the same as making brine, vinegar water and "sweet leaf" tofu, except that gypsum is used instead of brine, vinegar water and sweet leaf juice. White color, delicate and tender texture, rich protein and high nutritional value. Eating gypsum tofu often can make people's faces white and tender.