With the increase in the number and types of airborne weapons, plug-and-play weapon integration technology has become a key technology for the development of the new generation of fighters.This article summarizes the technical basis, implementation principles and application status of the two main plug-and-play weapon integration methods in foreign countries, Universal Armament Interface (UAI) and Model Driven Architecture (MDA), and analyzes the relationship between the two methods.Based on this, and according to the current development status of domestic weapon integration, some suggestions are given on the future development direction of domestic airborne weapon integration field.