The invention belongs to the technical field of computer system software, and particularly relates to an aviation exchange system and a method based on a virtual machine. The system comprises an aircraft network system, a virtual interaction system and a ground system, wherein the virtual interaction system comprises a virtual machine, a security module and a managing virtual machine. Through the system, identity authentication is carried out through original information of the security module, and integrity verification is carried out on the original information through a Biba model, so that secure communication between the aircraft network system and the ground system, and among various domains of the aircraft network system is achieved.