Objective To improve the hardness and antifriction properties on 45^# steel surface. Methods Laser quenching was performed on the 45^# steel surface. The effects on the hardened depth and width of the quenched surface by laser powers and scanning speeds were studied. The micro-hardness and micro-structure were analyzed on the different parts of the hardened layer. Uniform-distributive micro-dimples were conducted on the smooth surface of 45^# steel specimens by diode-pumped Nd:YAG laser machine and MoS₂ -PI-Gr composite solid lubricants were filled into the texture by hot-pressing method, then tribological performance comparison with the untreated smooth 45^# steel surface was carried out. Results The hardness of 45^# steel surface could reach up to 835HV and the friction coefficient caould be reduced by almost 50% through laser-texturing and quenching composite technology. Conclusion The hardness of 45^# steel surface could be increased and the friction coefficient could be reduced by laser-texturing and quenching composite technology, which would have a good engineering application prospect.