Abstract: Parents' childcare negative affect which is aroused by occupational stress is one of the most important reasons to influence children's growth.Not only does the paper discuss the mechanism between parents' childcare positive affect and children affect development, but also considers the relationship between occupational stress and parents' childcare affect.We analyze the data of 105 employees who came from high technology enterprises by SPSS.The results show that parents' childcare negative affect are positively and significantly correlated with occupational stress.The stress of the relationship is the most important dimension that leads to parents' childcare negative affect.Fathers and mothers have different childcare negative affects when they are in the occupational stressed environment.The paper points out an effective method to relieve the occupational stress and manage parents' childcare affect, and then improve the quality of childcare.