1, development problem. This gap should be said to belong to the problem of backward economic development and producers in the process of development. A large number of laborers have not been transferred from the countryside, and it is difficult to raise the income of farmers and the income level of a large number of migrant workers due to limited competition.

2. Institutional issues. Restricted by many policies, narrowing the income gap to solve the problem of excessive income gap has become the core of various reforms in China. Social equity should be regarded as the basic principle to solve the problem of excessive income gap, so that everyone is equal and the younger brother is fair.