Based on research in 2020, dengue fever will
continue to hit several countries, namely Bangladesh,
Brazil, and India to be one of the countries that reported
an increase in the number of dengue cases (WHO, 2020),
and research in 2018 is the basis for this research and the
data processed. to compare with the calculation of the
TOPSIS method. DENGUE disease can appear
throughout the year and can affect all age groups, this
disease is related to environmental conditions and
community behavior with Incidence Rate and Case
Fatality Rate, the number of people with DENGUE
reported as many as 129,650 cases with 1,071 deaths.
50.75 per 100,000 inhabitants and CFR/mortality
Keywords : TOPSIS, Behavior, Environment, DHF, 3M.