The utility model relates to a LCD screen test equipment technology field discloses a go up inclined to one side vibration -damping sheet clamping device, including fixed establishment, fixture with apart from adjustment mechanism, fixture passes through apart from adjustment mechanism with fixed establishment connects, fixture is used for on the centre gripping vibration -damping sheet partially, fixed establishment will it is fixed in the LCD screen top to go up inclined to one side vibration -damping sheet, drive apart from adjustment mechanism fixture and last inclined to one side vibration -damping sheet keep away from or are close to the LCD screen. The utility model provides a pair of go up inclined to one side vibration -damping sheet clamping device, include and to adjust the distance between polarizing on and the LCD screen apart from adjustment mechanism, solve the observation effect difference that bad problem reach on different equipment, improved the accuracy of LCD screen testing result and the multiplying power upper limit of on -line use eyepiece.