On the basis of summarizing the development status and trend of heavy machinery industry in the international market，and combined with the data this report analyzes the overall running condition and growing trend of heavy machinery industry in China in 2020 from the perspective of sub industry. The data shows that in 2020，the operation of the heavy machinery industry was in a steady development situation，the main economic indicators performed well，and developed a number of significant technical equipments and upgraded new products. Base on insufficient market demand，industry over production capacity，insufficient innovation capability，and gaps in technology levels，China’s heavy machinery industry should further optimize its industrial structure，promote industrial upgrading，strengthen enterprise independent innovation ability，and improve industry comprehensive competitiveness.