To provide a coating can device in which a lid is easily opened, and an amount of a coating stuck on a brush can be adjusted, and the surroundings of the can is hardly contaminated.

A chemical-resistant lid body 5 for hermetically closing an opening part 2 is provided on the opening part 2 of a chemical-resistant coating can 1. A projected edge 8 for preventing the coating from flowing down is formed on the surrounding of the lid face of the lid body, and a pull open part 9 for forming a communicating hole 14 to the inside of the can is provided on the lid face surrounded by the projected edge. The inner face of the projected edge continuously connected with the pull open part from the top part 8a of the projected edge is formed into an inclined face 10 for flowing down of the coating inclined downward. A blade part 16 for adjusting the coating with a partly more gentle slope than the inclined face between the inclined face and the pull open part, is provided. The surrounding of the pull open part is surrounded by an annular breaking channel 11, and a knob piece 12 is provided on the pull open part.