The invention discloses an accurate-control-type static powder coating machine. The accurate-control-type static powder coating machine comprises a scanning unit, a foundation modeling unit, a three-dimensional treatment unit, a first spraying gun, a second spraying gun and a control unit. The control unit controls the first spraying gun to spray powder on to-be-sprayed workpieces on the whole and controls the second spraying gun to spray the internally concave surface layers of the workpieces where all filling models are located according to the corresponding powder spraying inlet positions and incidence directions. In the accurate-control-type static powder coating machine, an evaluation covering layer and the filling models are arranged, under the condition that powder spraying of the workpieces on the whole is uniform, through pre-judgment of the filling models, the second spraying gun with a small aperture is utilized for fixed-point and oriented spraying, and thus the problem that powder is not prone to being sprayed on the sunken areas of the upper portions of the workpieces is solved.