Abstract: Objective To understand the current situation of sleeping quality among vocational students,and to provide scientific basis for improving the students' sleeping quality and promote promoting the healthy development of students' physical and mental health.Methods A total of 10 158 vocational students from 5 vocational colleges in 5 cities of Anhui were selected by stratified cluster sampling,and the data about the situation of bullying,sleeping quality,smoking and drinking was collected.Chisquare test and Logistic regression were used to analyze the relationship between cyberbullying and sleep disorder and the related factors.Results A total of 1 417 students were found with sleeping disorder.The Occupational College students sleep disorder detection rate was 13.9%(n =1 417).Among boys and girls with cyber bullying,The incidence of sleep disorders were 24.4% and 32.7%,respectively,which in boys and girls was higher than in that of those without cyberbullyingcyber bullying(12.1%,14.6%) (x2 =22.516,41.390,P<0.01).The multiple Logistic regression analysis showed that per capita income of the family,good academic performance and appropriate parental control were protective factors for sleep disorders.Being female,drinking,cyber bullying and skipped generation family were risk factors for sleep disorders with statistical significance(P<0.05).Conclusion Sleep disorder is prevelant among the students of vocational college in Anhui Province.Students with cyber bullying,alcohol drinking and poor academic performance and skipped generation family can be one of the key groups of intervention in sleep disorder.