In order to study the interference of laser photothermal effect to CCD detector,interfering experiments of the CCD detector with 1064nm laser were carried out.Through the processing and analysis of the digital image,the crosstalk of the CCD detector caused by 1064nm laser can be observed.The contrast experiment of the thermal noise caused by laser radiation of the CCD detector with time change was carried out,and the interference effect of laser photothermal effect on CCD detector was observed.The results show that surface temperature of the CCD detector rises with the increase of 1064nm laser irradiation power.Because of the low quantum efficiency of the silicon-based CCD detector to the light with wavelength of 1064nm,it is very important to study the effect of photothermal effect on CCD detector.