As a new technology that connects reality and virtuality, solves the integration of physical information, and promotes the concept of smart manufacturing, digital twin has become a focus in various industries. As a mature diplomatic model, foreign medical aid has become an important way for our country to participate in global health governance, share medical experience, and fulfill international obligations. By introducing the characteristics of digital twin and the shortcomings of the current foreign medical aid work, this paper discusses the possibility of applying digital twin for the pre-departure training of foreign medical aid teams, and also explores the application requirements and current challenges.