This book takes apple growers engaged in specialized and market-oriented production as the basic unit of research, and takes the income desire and income inequality of apple growers as the research object. From the perspective of psychology, anthropology and economics, it answers what is the desire or income desire. Through the establishment of the interdisciplinary integration framework of the formation mechanism of income desire, we can answer why the income desire is formed. On this basis, establish a theoretical analysis framework of income inequality affecting income desire, reveal the impact mechanism of income inequality on income desire; establish a theoretical analysis framework of income desire affecting income inequality, explore the impact mechanism of income desire on income inequality; based on the theoretical analysis of the relationship between income desire and income inequality, To explore the evolution path of income inequality under the interaction between income desire and income inequality. Adopt two Based on the survey data of apple growers in the whole village, this paper uses empirical research methods to test the theoretical analysis results of income desire formation mechanism, income inequality affecting income desire and income desire affecting income inequality. Based on the results of empirical analysis, this paper explores the evolution path of income inequality of Apple planting in sample villages and how to improve the income aspirations of low-income groups to reduce income inequality.