This treatment process is based on the low temperature sulfurizing process layer, and a molybdenum disulfide coating as a solid lubricant is applied on it. It is characterized in that, in addition to the scorching resistance of Kebai treatment, it can also reduce the friction coefficient in the initial sliding stage under the condition of no lubrication or less flow of lubricating oil, and has wear resistance under a certain tightening torque. and anti-loosening effect.