The utility model provides an atomizing disk for rotatory atomizing thick liquid, it includes: the top dish, it is cyclic annular disc, and the center has circular trompil, the spraying plate of distributor, its circular dish, and central zone is provided with the boss, the boss passes the circular trompil at the center of top dish, top dish with be formed with the clearance that supplies the thick liquid to flow in between the boss, just boss inside is provided with the trompil that is used for installing the motor drive axle, the distribution piece, it is located between top dish and the spraying plate of distributor, and follow circumference evenly distributed, clearance between the distribution piece constitutes the export of atomizing thick liquid, with the spraying plate of distributor is formed with wear -resistant coating with the surface of thick liquid contact. The utility model provides a wear resistance that atomizing disk forged a good relationship and longer life to and higher cost -effectiveness.