Objective: To explore the relationship among jealousy, self-esteem and self-efficacy. Methods: 209 college students from two different kinds of universities chosen randomly were administered White Habit and Relation Jealousy Scale, Bringle Self-report Jealousy Scale, Buunk Jealousy Scale, Self-Esteem Scale and Chinese General Self-efficacy Scale. Results:①Jealousy is negatively correlated with self-esteem and self-efficacy,while self-esteem is positively correlated with self-efficacy. ②College students with high self-esteem and high self-efficacy have significantly less jealousy than those with low self-esteem and low self-efficacy. ③Self-esteem affects the students' jealousy when they communicate with others, while self-efficacy influences the students' jealousy in all kinds of situation and their jealousy action in love. Conclusion: College students' self-esteem and self-efficacy should be strengthened to weaken the negative effects of jealousy and develop their healthy personality.