The utility model discloses a photoelectric detection switch support, it is used for providing the support for photoelectric detection switch, including parts such as support, bases. Support subject forms the middle part trapezium structure, and its upper portion is equipped with support upper portion round hole, is equipped with the lower part trompil on the bottom plate of support lower part, and the photoelectric detection switch fixation is in the round hole of the upper portion of support, the base is fixed base round hole and reference surface through the bolt, and the support is fixed through the bolt and the kidney hole of base, uses the relative adjustable mode with the support position of this kind of base, has thoroughly replaced the nonadjustable condition of traditional support. When installation and debugging, after having installed the base, through the horizontal position of kidney hole adjustment support, assurance photoelectric detection switch's receive electrode can receive the signal of transmitter. The utility model discloses extensively be applicable to the industrial control field material and detect the occasion, have higher reliability, the flexibility.