The invention relates to a solid laser system with automatic temperature control and automatic dimming functions. The solid laser system comprises a first optical system, a second optical system, a second completely reflecting mirror, a detection apparatus and a computer control system, wherein the first optical system comprises a first laser pump apparatus, a second laser pump apparatus, a firstinput mirror, first laser crystal, a first three-dimensional adjustment table, a first completely reflecting mirror, a mode selection apparatus, a second three-dimensional adjustment table and a firstoutput mirror; the second optical system comprises a second input mirror, second laser crystal, a temperature control and adjustment apparatus, a second output mirror and a filter; the detection apparatus converts an optical signal into an electric signal and then inputs the electric signal to the computer control system; the computer control system forms a first control signal according to the electric signal to perform automatic adjustment on the first three-dimensional adjustment table and the second three-dimensional adjustment table; and the temperature control and adjustment apparatus is controlled according to a temperature signal. By virtue of design of the two-stage laser apparatus, the stable and ideal wavelength light beams can be obtained and a compact structure is realized.