Endosulfan a well known pesticide has been used to preserve fruits, vegetables, pulses and food grains from infesting pests in the farming sector. Even after harvesting they are sprayed with it to avoid rotting. This pesticide enters into the body of human being through inhalation, skin and also by consumption of these food materials. This has a hazardous impact on the health conditions of anybody who comes in contact with it. The various effects caused by this organo-chlorine pesticide is analyzed by making use of the simple Fuzzy Cognitive Maps [FCMs].