The utility model provides a coating gauge control board of filming, the control panel includes control panel body, restriction strip, the control panel body divide into entity portion, fretwork portion, the restriction strip sets up in the fretwork portion, the restriction strip will the fretwork part becomes the different zone, region in the restriction strip is the test block, restriction strip with the region that entity portion constitutes is distinguished for the blowdown, the thickness of restriction strip with the thickness of entity portion is the same. The shaping thickness of liquid can be controlled according to the standard to the control panel, can be according to experimental difference, the size of coming the adjustment to film, convenient to detach, steerable holistic sanitation.