Device for measuring height of step surface

The utility model discloses a device for measuring the height of a step surface, and the device comprises a laser generation part which is used for forming a laser light path which can form incident rays on the step surface to be measured; the digital camera is provided with an image surface which is used for enabling a laser light path to form a reflection line; the adjusting system is used for being connected with the laser generating part and the digital camera; wherein the step surface to be measured is located in the laser light path; the laser light path forms a plurality of incident light paths and a plurality of reflected light paths after passing through a step surface to be measured; the plurality of incident light paths irradiate on a step surface to be measured to form incident rays, and the plurality of reflected light paths irradiate on an image surface to form reflected rays; and the adjusting system is used for acquiring the position information of the reflection line, adjusting the energy inf