The study is to discuss the association among emotional management, interpersonal intelligence and efficiency of school for elementary school teachers in Changhua. This study is conducted by means of purposive sampling, with 340 questionnaires distributed. 316 valid questionnaires were collected and the response rate was 92.9%. Statistical methods include: Descriptive Statistics, T Test, ANOVA, Pearson product-moment correlation, and simple regression analysis. The main research findings include: In terms of emotional management, there is a distinct difference among teachers, who differ in "age", "gender", "years of teaching experience", "class size" and "marital status". The emotional management of teachers reveals a positive effect on efficiency of school. The interpersonal intelligence of teachers reveals a positive effect on efficiency of school.