To control students' classroom behavior through positive reinforcement. From a sample of 40 Mathayom 1 students, before the experiment, it was observed that the students exhibited negative behaviors while teachers were teaching. However, after the experiment using positive reinforcement techniques for students, it was found that the students behaved in a better way and participated more in organizing activities in front of the classroom. Make learning management in the classroom more efficient. It is convenient and conducive to organizing good learning and creating a good atmosphere in the classroom. The importance of using this reinforcement technique is So that students have more focus on the lesson. The researcher is therefore interested in solving this problem by using positive reinforcement techniques. From the experiment, the results showed that Students behave in a better way. As a result, the researcher was able to control and manage the classroom effectively.