In order to train the gunner how to use the man protable missile for aiming, tracking, firing and so on, a low-cost concept of the training simulator of the man protable missile is designed. The operational use course of the man protable missile is described, the system composition and the operational principle are brought out, and the assessment model of the training result is established. There is no inertia sensor used in the training simulator, which is low-cost and high reliability. The shape and the operation is same to the real system, it can assess and record the training result, and the training course can be monitor real time remotely, the training simulator can be used indoor and outdoor.