Abstract: 320 coaches in sports were investigated by work-family interface questionnaire, reliability analysis on 257 recalled valid questionnaire showed that the questionnaire has desirable reliability.Structural Equation Model analyzed by Lisrel8.70 show that job stressors and job involvement can forecast positively W→F conflict;family stressors and family involvement can forecast positively F→W conflict;W→F conflict can forecast negatively job satisfaction, can forecast positively emotional exhaustion, depersonalization;F→W conflict can forecast negatively job satisfaction, family satisfaction, depersonalization, can forecast positively personal accomplishment.Job involvement can forecast positively W→F facilitation, family involvement can forecast positively F→W facilitation, W→F facilitation can forecast positively family satisfaction, and F→W facilitation can forecast positively job satisfaction and family satisfaction.