Methods: This was a cross-sectional study carried out to determine the rate of Toxocara spp infection by ELISA test, rate of dog roundworm infection in dogs by examining dog excrement for embryonated eggs using the method of centrifugal sedimentation with Formalin ether, and existence of dog roundworm eggs in environment by Romanenko soil test, and to identiy some risk factors for Toxocara spp infection by interview with the questionnaire. Result: The rate of Toxocara spp infection in humans in the study sites was from 13.1 to 16.8%.