Uniform pumping and uniform cooling are key techniques to reduce thermo-optical distortion and to achieve high beam quality output for solid-state laser. Uniform pumping and uniform cooling technique researches about bonding thin disk are carried out. Pumping uniformity of 95% is achieved by using lens compress and waveguide uniform pumping coupling frame. The temperature distribution uniformity is better than 96% through optimizing cooling channels. The experimental results show that the wave-front distortion of thin disk has been controlled effectively. The mean square root (RMS) of reflect wave-front distortion is about 0.35 μm ignoring the defocusing effect when the pumping intensity is 230 W/cm2.