Objective To learn the relationship between sleep quality and college students sleep hygiene knowledge

beliefs and behaviors. Method 773 college students were selected by random sampling as test objects. The Chinese version of the Pittsburgh Sleep Quality Index （Pittsburgh Sleep Quality Index

PSQI） and the questionnaires of college students’ sleep hygiene knowledge

beliefs and behaviors were used to investigate the relationship between sleep quality and college students sleep hygiene knowledge

beliefs and behaviors. Results The average scores of college students sleep hygiene knowledge

beliefs and behaviors were respectively（16.30±2.79）

（40.61±7.46）

（49.65±8.61）.There was a significant difference （P<0.05） between different sexes. There was a significant negative relation between PSQI total and sleep hygiene beliefs and behaviors （P<0.01）. Standard regression coefficient were respectively -0.164 and -0.177 （P<0.01） between sleep hygiene beliefs

behaviors and PSQI total. Conclusion The sleep hygiene beliefs and behaviors can significantly forecast sleep quality.They are the major factors that affect college students’ sleep quality. It is necessary to develop education of college students’ sleep hygiene.