The invention discloses an easy-to-install optical glass fixing base, relates to the technical field of optical glass support devices, specifically a left base, a positioning block and an inner rod, the upper left part of the left base is provided with a connecting seat, and The middle part of the connecting seat is connected with a movable plate through a connecting bolt, the upper end of the movable plate is provided with a protective cover, and the middle part of the movable plate is connected with a horizontal plate, the upper end of the horizontal plate is provided with a foam pad, and the lower end of the horizontal plate A spring is connected through the spring seat, the positioning block is arranged on the upper right part of the left base, a supporting flange is provided on the bottom outside of the left base, and a large card slot is opened on the bottom right side of the left base, so The inner side of the large card slot is connected with a sleeve rod through the first connecting bolt, and the inner rod is arranged on the right end middle piece of the sleeve rod. The easy-to-install optical glass fixing base is provided with a horizontal plate and a spring, combined with the function of the positioning block, the movable plates on both sides are turned inward, which facilitates the positioning and clamping of the optical glass.