In fields such as aviation, aerospace, and the automotive industry, the study of aerodynamics has always been a key factor driving technological progress. This work explores the development of aerodynamics in the new era. Focusing on aerodynamics as the main research object, this work uses literature analysis, classroom observation, and interview survey methods to conduct an in-depth analysis of the specific applications of aerodynamics. This work not only provides a comprehensive and in-depth knowledge system of aerodynamics for researchers and engineers in related fields but also covers a large number of basic theories and details the specific applications of aerodynamics. This work helps readers better understand and apply aerodynamic principles, promoting the development and innovation of related technologies.