Objective To explore what extent do perceived social support and self-esteem influence life satisfaction in left-behind farmers and to provide information for improving life satisfaction of left-behind farmers. Methods 1239 left-behind farmers from Hunan Province and Yunnan province finished The General Status Questionnaire,Perceived Social Support Scale ( PSSS) ,Adult Self-esteem Scale( SES) and Satisfaction with Life Scale( SWLS) . Results The life satisfaction of left-behind farmers was middle level(19. 07 ± 3. 45). Perceived social...