Automatic gluing machine ensured that each crystal is firmly adhered and the glue does not overflow. It can be suitable for rounded pointed crystals or flat crystals. It adopts a high-precision visual inspection system, gluing and sticking is carried out synchronously. It used the imported electric control valves which can accurately control the glue amount, avoiding the problem of manual operation being unable to control the glue amount. It also completely solves the problem of eye fatigue during manual operations, while improving product qualification rate and production capacity. The hourly production capacity is 2600PCS.