①According to the manufacturing method, it is divided into chemical pulp (including caustic soda pulp, sulfate pulp, sulfite pulp, etc.), mechanical pulp (including grinding stone wood pulp, disk mill mechanical pulp, hot mill mechanical pulp, etc.) and chemical mechanical pulp 3 categories;

     ② It is divided into wood pulp, straw pulp, bamboo pulp, cotton pulp, waste paper pulp, etc.

     ③ According to the processing depth, it is divided into this color paste, semi-bleached pulp, bleached pulp, refined pulp, etc.

     ④ According to the yield of wood pulp to wood, it is divided into chemical pulp (yield of 40 ~ 50%), high yield chemical pulp (yield of 50 ~ 65%), semi-chemical pulp (yield of 65 ~ 84%), chemical mechanical pulp (yield of 85 ~ 94%), mechanical pulp (yield of 94 ~ 98%);

     ⑤ According to the use of the enterprise's own pulp called self-use pulp, as a commodity sold as commodity pulp. For a specific variety, it is often named by several different classification methods, such as bleached sulfate coniferous wood pulp, natural sulfite reed pulp, poplar wood grinding pulp, etc., so that users can generally understand the performance and use of pulp according to its name.