This study examined teachers' perceptions of classroom behaviour problems in five provinces of the People's Republic of China. Researchers surveyed 527 Chinese teachers from 27 elementary schools. Consistent with previous studies in China, teachers perceived non-attention to be the most frequent and troublesome behaviour problem. Teachers' perceptions of which behaviour problems were most difficult to tolerate and most negative in their effects on student development were also investigated. Approximately 45% of the teachers reported spending too much time on behaviour problems. Significant differences were found in the prevalence of teachers' perceptions of student misbehaviour and of the time spent on classroom management; there were also differences in these perceptions according to students' gender, type of school, classroom subject taught, and teachers' level of experience. The implications of these findings for researchers and practitioners are addressed. (Contains 5 tables.)