Abstract: Test research on the properties of CKB polymer cement mortar, such as mechanics, deformation, anti-carbonization, anti-seepage and anti-freeze, was performed. The test results showed that, at 28 d age, its compression strength is 34.0-63.2 MPa; bending strength, 7.5-11.7 MPa; tensile strength, 3.2-7.4 MPa; Cohesion strength, 2.9-3.9 MPa; its anti-seepage label is over S15; and it possesses excellent anti-carbonization and anti-freeze properties. For securing construction quality and achieving requirements of design, its recommendary mix proportion in construction is as follows: cement-water ratio equals 0.24;cement-sand ratio, 1∶2; polymer-cement ratio 12%. Some construction techniques are proposed.