Themal shock test chamber is used to test the change of material under extremely high temperature and extremely low temperature environment that continue alternation in the shortest time, Testing the chemical changes or physical damage of material caused by the thermal expansion and contraction. Testing box divided two parts, one is high-temperature region, another is low-temperature region, the testing sample placed on the moving basket, using unique heat storage and cool storage, the cylinder taking basket moves up and down in the hot and cold region to complete the hot and cold temperature impact testing; applied to test the material, including metal, plastic, rubber, electronics and other materials, it can be used as a basis for improvement of their products.