A method of producing insecticide made from indigenous plant comprising a crush of fresh leaves of kakawate (Gliricidia sepium) and soak overnight to 2 gallons of water. Strained and add another 2 more gallons of water. Boil the 2 pcs. tobacco dried leaves for 5-10 minutes, let it cool, squeeze and strain. Slice 1/4 kilo sweet potato to 2-4mm, let it sundried for 2-4 days and grind/pulverize until it become "flour" dissolve with 220ml of water. Crush 150 grams powdered soap until it produces bubbles. Pour the 190ml vinegar and 4 tablespoon of cooking oil. Mix thoroughly the stated above ingredients. The mixed is now ready for spray as insecticide.