Testing compression shear properties of sandwich structure by China national standard fixture, we need multiple fixtures when a number of samples are tested, and fixture cost is expensive and inconvenient. We improved the fixture for these defects. The loading plate bonded with sample was changed to assembly structure to make combination compression shear fixture (CCFS). Multiple sets adhesive plate was manufactured cheaply, reducing the production cost of fixture, improving testing efficiency and sample preparation. Contrast verification results by test between standard fixture and CCFS showed that compared with standard fixture, the data obtained by CCFS are slightly different, and maximum value difference of compression load shear is within 10% . It was concluded that CCFS can substitute standard fixture completely after improving manufacture accuracy.