Tofu skin is a type of soy product. What’s interesting is that the term tofu skin is somewhat confusing across the country, and the identification of tofu skin is not consistent. There are roughly two types of tofu skin: one is tofu made by boiling soy milk to form a natural oil film on the surface and then picking it up and drying it. The skin is also called "oil skin", "yuba", "bean curd clothing" and "bean bamboo shoots". The second is tofu skin made from pressed bean curd, which is thicker and drier than tofu slices. It is called dry tofu in the Northeast, also called Qianzhang and Baiye. This tofu skin is similar to dried tofu but thinner. Compared with oil skin, it is obviously thicker, slightly dry, and sometimes Also add salt to taste, the taste is different from tofu. Although both are called "tofu skin", their shapes, ingredients, tastes, and cooking methods are quite different. Among the vegetarian dishes, there are vegetarian chicken and vegetarian duck. The vegetarian chicken is rolled into thousands of sheets, while the vegetarian duck is rolled into oil skin. The tofu skin we are talking about today is the oily skin.

Bean curd skin is a layer of slurry that is condensed before ordering tofu. It is peeled off and dried to become bean curd skin. Qianzhang is made from bean curd and dried into thin skin, also known as Baiye. "Tofu skin is also called soybean oil skin or oily skin. It is flat in nature and sweet in taste. It has the functions of clearing away heat and moistening the lungs, relieving cough and eliminating phlegm, nourishing the stomach, detoxifying, and antiperspirant. Tofu skin is rich in nutrients and has high protein and amino acid content. According to modern scientific determination, There are also 18 trace elements necessary for the human body such as iron, calcium, and molybdenum.