Classroom management is a skill that every teacher should be equipped well with. Although it is common for children to misbehave once in a while in classrooms, inability for teachers to handle the situation will make the problem behaviour worsen. The study explores some of the problem behaviour that occurred in a classroom in a preschool at Klang Valley area. An observation was done for data collection and it was held for 30 minutes during English lesson and 15 minutes during meal time. It was found that three children were obviously misbehaved during that time. The behaviours include walking around and not submitting worksheet, pushing one another in a line and also making noise with meal bowl and spoon. It was also found that back row of students were talking to each other while teacher was only paying attention to front row students. A few classroom management techniques were also suggested. [A bibliography is included.]