利用信任游戏考察242位小学3～6年级儿童在经济活动中信任的发展状况。结果表明:(1)在游戏中,儿童信任的年级差异显著,三年级儿童信任水平显著高于四年级,而四五六年级儿童信任水平逐渐增高;(2)在代表群体做出决策的情境下,儿童表现出比个体情境下更高的信任水平;(3)经济活动中儿童的信任存在性别差异,男生的信任水平要高于女生。 Use trust game to examine the development of trust in 242 primary schoolchildren from 3 to 6 years in economic activities. The results show as follows: (1) In the game, the grade of children’s trust differs significantly, the grade of children’s trust in grade three is significantly higher than that of grade four, while the level of trust of children in grade four or six is ​​gradually increased; (2) , Children show a higher level of trust than individual situations; (3) there is gender difference in the trust of children in economic activities, and boys have higher levels of trust than girls.