Objective: To explore the relationship among farmer's subjective well-being, social support and personality. Methods: The subjective well-being scale, perceived social support scale and big five personality questionnaire sampling survey of 482 farmers at home. Results: The dimensions of the subjective weU-being and perceived social support had very significantly positive correlation; left-behind peasants' subjective well-being and personality dimensions of extraver- sion, compatibility and sense of responsibility has a very significant pos...