The paper,through constructing a measure model of inclusive benefit of housing provident fund(HPF)estimates HPF system from such three angles as its accessibility,fairness and goal.The studies show:(1)The existing HPF still possesses inclusive benefit function,but the function will be vanished in 2020;(2)The HPF exists serious primary and secondary injustice in inclusive benefit.Without reform,2024 year will be the turning point of fairness problem in HPF.(3)As for the people of middlelow income,HPF will lose its mutual aid function in...