Water jet assisted laser processing system

The utility model discloses a water jet assisted laser processing system. A light beam transmission focusing unit comprises a laser emitter and a light beam transmission conversion mechanism. A 45-degree inclined reflector is arranged in front of the laser emitter, the light beam transmission and conversion mechanism arranged below the reflector comprises a protective sleeve, a light beam transmission and conversion element is arranged in an upper pipe hole of the protective sleeve, and a self-focusing lens and a ball lens are arranged in a lower pipe hole of the protective sleeve. A working table unit is arranged below a protective sleeve and comprises a three-dimensional adjusting working table, a fixed table plate is arranged in a water tank on the working table, and a workpiece is clamped on the fixed table plate and is opposite to a ball lens; a pump pipe of a liquid supply unit is communicated with a spray pipe, a nozzle of the spray pipe obliquely extends towards a workpiece, the spray pipe capable of