The utility model relates to a tilt angle adjusting device for an optical read head, which has the advantages of simplified structure, assembly and adjustment, and convenient operation. The tilt angle adjusting device for an optical reading head comprises a movement for supporting an optical read head. The utility model is characterized in that the movement of an optical machine is formed with a guide rod part in integration forming mode. With the design, the guide rod part can use the elasticity of the movement to adjust the tilt angle so as to attain the effect of simplified assembly and convenient operation. The utility model is used for optical read heads.