The present study was quasi-experimental research. It aimed to compare the use of the locally available herbs as mosquito repellents to develop the small muscles of pre-school children and parents. The samples were 72 individuals divided into a control group of 36 and an experimental group of 36. The research instrument was a Developmental Surveillance and Promotion Manual (DSPM) of the Ministry of Public Health. Statistics used in data analysis were percentage, mean, standard deviation, and t-test. The research findings revealed that a comparison of using the mosquito repellents derived from the locally available herbs showed that the average after the experiment was higher than the one before the experiment at a statistical significance of 0.05 (P<0.05). The recommendations were made that there should be more time for the research. Moreover, the further research should cover all communities of Banbua Sub-district with more participation from all relevant organizations.