Mat Foil Has Been Developed to Model Low-Speed Airfoils Quickly and Reliably Under Various Airfoils of Flow Conditions. the Method Is Based on the Second Order of the Viscous Vortex Possible Flow Method and the Displacement Thickness Iterative Method Is Right For the Viscous Effect. the Viscous Correction Is Based on an Integral Formula of Two Equations, Assisted By Many Empirical Correlations and Closing Relationships. the Possibility of Simulating the Effects of Ground Proximity Is Perhaps the Most Beneficial Software Module. a Mirror Image Vortices Distribution Models the Influence of the Ground Effect. the Software Is Used to Reliably Predict Parametric Reliance on Arbitrary Aerodynamic Coefficients Near the Ground. Favorable and Unfavorable Soil Effects That Are Not at Least Contingent on the Operating Height of the Airframe Above the Surface Are Expected. Interaction For External Airfoil Aerodynamics With Viscous Interaction Is Discussed In This Paper.