Annotation: This thesis deals with disciplinary problems on the vocational schools. There is not purpose to solve disciplinary offenses, but point out on these offenses all beginner teachers. In bachelor thesis you will find the most often disciplinary offenses, which pupils do. You can also find there some application of disciplinary punishments and their solutions in bounds of educational ethics. Thesis includes theoretical and practical part. Practical part is associated with research, by questionnaire about drog problems, which is increasing social patholohy in ours schools.