Tempered mirror, by using the tempered glass as the mirror substrate, then coated different reflecting layers(Silver,Al, other other metal layer), to achieve the reflecting effect. Comparing traditional mirrors, this tempered mirror can provide much stronger mechanical performance, also give the safety protection in case of any breakage free of causing injury to people. This tempered mirror can be used for CSP industry, as the reinforcement for heliostat to resist the sand storm and strong wind, planted along the perimeter of the solar field. It can be also used in some interior decoration with high safety standard.