An NC membrane strip clamping and placing machine, comprising a plurality of bearing plates (c) which are connected end to end, the bearing plates (c) being used for placing a test paper substrate; further comprising an NC membrane strip storage disk (b), the NC membrane strip storage disk (b) being used for placing an NC membrane strip (d); further comprising a movable frame and an NC membrane strip clamping mechanism (a), the movable frame being used for moving the NC membrane strip clamping mechanism (a) between the bearing plates (c) and the NC membrane strip storage disk (b); the NC membrane strip clamping mechanism (a) being used for clamping the NC membrane strip (d), the NC membrane strip clamping mechanism (a) comprising a first clamping plate (11) and a second clamping plate (12). By setting the stroke of a power cylinder (31) to be a fixed value, forming the primary buffer by the cooperation of a rotary plate (6), a tension spring (61) and a spring (62), and then performing final clamping by an elastic sheet (5) controlled by a piezoelectric material layer (7), the present invention ensures that the NC membrane strip can be clamped and would not be damaged, providing a high pass rate of test paper.