Monitoring the growth and development of children is not only the responsibility of health workers, but also the responsibility of the teacher. Research Objectives: Empowering the teacher's role in monitoring children's growth and development. This research method is pre- experimental, with a Static Group Comparation design approach. The population is a teacher in Early Childhood, a large population of 100 people. The research sample was 50 respondents in the treatment group, and 50 respondents in the control group. Instrument for collecting data with questionnaires and observation sheets. Questionnaire to detect emotional growth, development and mental. Observation sheets are used to observe observations. Test Analysis uses the dependent T-test. The results showed the ability of teachers who were given the Role Play method the value of growth measurement on average 96.60, the average value of development 96.64, the average mental emotional value was 97.22. While the lecture method, measuring the growth value of 82.72; measuring the development of values is 83.86 and the statistical average is 82.48. The statistical test results using the T-Test obtained the value of each variable (knowledge, growth, development, and mental emotional) is p less than 0.05. This means that there are significant differences between teachers who are given the role playing method and those who are given the exposure / lecture method. The results of the knowledge and treatment of the control group after being given materials were p> 0.05. This means that there is no significant difference between the control group and the treatment group. The conclusion of this research is that role playing provides has been shown to increase the ability to measure, grow, develop and mentally emotionally. The Role Play provisions do not support increasing knowledge of early detection of growth and development.
