The study on the optimal environment to increase the number of opportunities to disease recurrence was longer in line with the study of harmonious change lobe is the mission and the year 2538 showed that the epidemic no pain mosquitoes. the index typically found many mosquitoes, which shows that the spread of the disease, the number one relationship between a preliminary study, researchers interested in exploring the mosquito larvae in rainy and summer. the difference in the number of mosquito larvae in summer and rainy seasons.