Compared with other materials, nanomaterials have excellent performance. After they are processed by composite technology with other materials, their performance is even better, and their plasticity, high temperature resistance, and water resistance are greatly enhanced. They are widely used in aerospace. , Transportation, electrical and electronic fields. Nano-material composite technology belongs to the high-tech field, which requires high preparation technology and enterprise strength, and belongs to the field of high investment risk and high return. In order to better understand the relationship between the application of nanomaterials composite technology and investment risk, and to reduce investment risk, the author uses this topic as a key word, and uses electronic databases such as Wanfang, HowNet, and Weipu to collect and analyze relevant domestic and foreign documents And finishing. Through the identification of the investment risks of the nanomaterials composite technology industry, and through the corresponding models, the investment risks of the nanomaterials composite technology industry are analyzed, and risk prevention strategies are proposed to explore the reasons for the investment risks of the nanomaterials composite technology industry. The management and control of the investment risk of nanomaterials composite technology is analyzed theoretically. The research results show that the application of nano-material composite technology in different countries is different. The particle size of nano-material composite technology and the application direction of nano-material composite technology will affect investment risk. The smaller the material particle size, the lower the risk. When the particle size is 5nm, The lowest risk; the more sophisticated the application of nano-material composite technology and the fewer competitors, the lower the investment risk.

Chao Xie. Application Direction of Nano-Material Composite Technology and Investment Risk Management. International Journal of Engineering Technology and Construction (2021), Vol. 2, Issue 3: 1-13. https://doi.org/10.38007/IJETC.2021.020301.

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