Abstract: 【Objective/Meaning】The analysis of the influence of rural migrant workers’ excessive labor on their children’s academic performance is helpful to enrich the relevant results of the influence of rural migrant workers’ working outside on their children’s education. It is of certain significance to improve the relevant systems and regulations of rural migrant workers’ labor security and to solve the education problems of rural migrant workers’ children.【Methods/Procedures】Based on the data of China Family Panel Studies (CFPS) in 2014, 2016 and 2018, the influence of rural migrant workers’ excessive labor on their children’s academic performance was empirically analyzed by using the propensity score matching method to control the endogenous problems.【Results/Conclusions】It was found that rural migrant workers’ excessive labor had a negative impact on their offspring’s academic performance, and the impact was mainly caused by the absence of care caused by overwork. Although the income compensation brought by overwork could alleviate the negative impact caused by the absence of care to a certain extent, it couldn’t reverse the negative effect. However, the positive effect of income increase was gradually increasing as their children moved into the higher learning stages.