Abstract: During flight, dangerous ice accretion occurs on aircraft components such as wings and engine inlets, posing a serious threat to flight safety. Analyzing and studying the icing process on wings is beneficial for subsequent deicing/anti-icing operations. In studying the icing problem on swept wings, this paper solves the airflow field using the Navier-Stokes equations, applies the Euler method to simulate the droplet impingement characteristics, and employs the Shallow-Water icing model to calculate the ice formation on airfoil surfaces. Under different icing conditions, a comparative analysis is conducted on the icing characteristics of straight wings and wings with various sweep angles. Numerical simulations are performed to investigate the formation mechanism of the typical "scallop" ice on a 45° swept wing, thus further studying the icing mechanism on swept wings. Subsequently, the icing problem of a