After years of rapid and solid development，Jiangsu construction industry has become the pillar industry，advantage industry and rich people industry. The comprehensive strength has been continuously enhanced，the industrial scale has been continuously expanded，and the business environment has been continuously optimized，and various indicators have been ranked in the forefront of the country. However，there are still many problems in the construction industry of Jiangsu Province，especially in the industrial structure. Therefore，Jiangsu Provincial Department of housing and urban rural development commissioned the provincial construction industry association to carry out the research on the industrial structure of the construction industry in Jiangsu Province. Through understanding and mastering the overall situation of the construction industry related enterprises in Jiangsu Province in terms of qualifications，specialties，products，competitiveness，talents and quality benefits，various economic indicators of enterprises and local governments were collected，and the current supply side structure of construction industry was analyzed The influence of structural contradictions on the high-quality development of the industry，this paper puts forward the countermeasures to solve the structural contradictions，promote the optimization of industrial structure，release the policy dividend，stimulate the market vitality，and further accelerate the transformation and upgrading of the construction industry.