Acetic acid is one of the most important organic acids. It is mainly used in vinyl acetate, acetic anhydride, cellulose acetate, acetate and metal acetate. It is also used as solvent and raw material in pesticide, medicine and dyestuff industries. Glacial acetic acid is one of the important organic chemical raw materials, and it plays an important role in organic chemical industry. Acetic acid is widely used in synthetic fibers, coatings, pharmaceuticals, pesticides, food additives, dyeing and weaving industries. It is an important part of the national economy. Glacial acetic acid can be divided into industry and edible according to its use.