Abstract: In the present study， the ordered Probit model was adopted to probe into the influencing factors of farmers participation in sustainability management of water user association. The results showed that factors， including reservoir properties， the intact rate of irrigation and drainage system， the proportion of securing harvest in drought and flood， the distance of field from water source location， farmers participation in training， farmers cognition of small\|scale water policies， farmers evaluation toward water user association， farmers willingness to the construction of small\|scale farmland water conservancy， farmers willingness to maintain small\|scale farmland water conservancy， had significantly positive effect on farmers participation in sustainability management of water user association. While， factors such as the construction year of small\|scale farmland water conservancy， the planting crop types in paddy field， the scale of water user association， the identity of chairman （president） in water association， and farmers participation in the election of association president， had a significantly negative impact on farmers participation in sustainability management of water user association.

Key words: farmers, management of water user association, influencing factors, empirical analysis