This paper uses an optical device for measuring glass fiber with reinforced composite material surface of the mechanical properties. By laser wave numberscanning interference

high precision measurement was conducted before and after loading the outofplane displacement fields of the different structures of glass fiber with reinforced composite material when testing the front surface of the sample. The measurement results show that the outofplane displacement field integral distribution of different structures of the glass fiber with reinforced composite material testing sample will decrease from the center of the loading point to the periphery.The maximum outofplane displacement is linearly proportional to the loading quantity. The measurement method is more stable and precise with high signaltonoise ratio. This method provides a new technical platform for detecting the mechanical properties and nondestructive testing of the glass fiber with reinforced composite material.