To explore the development of primary school students' trait emotional intelligence,this study tests 3-6 graders in primary school through questionnaire.The research findings are as follows:(1) There is no significant difference of those students' trait emotional intelligence in grade;(2)The trait emotional intelligence of girls is higher than that of boys;(3)The higher educational level parents have,the higher trait emotional intelligence of students;(4)There is positive correlation between students' academic achievement and their trait emotional intelligence;(5) There is positive correlation between students' cooperation\leadership and their trait emotional intelligence.