当前我国国民收入差距扩大主要有五种表现形式，也可从合理与不合理两个侧面分析说明其具体成因，从生产力、生产关系、体制改革三个层次提出解决这一问题的对策。 At present, there are mainly five manifestations of the widening of the national income gap in our country. It can also analyze and explain its specific causes from two aspects: reasonableness and unreasonability. The countermeasures to solve this problem are put forward from the three levels of productivity, production relations and system reform.