Multi-target attacked by air-to-air missile (AAM) is one of tendencies for future air combat. The attack capability of AAM can be evaluated in time and problems emerge early by testing AAM for multi-target attacking in lab. In this paper, the principle and elements of multi-target attacking were described. The research way for the multi-target test system based on reflective memory fiber optics network which can test and evaluate AAM on simulating air combat state in lab was proposed. The feasibility of two programs for developing the system was compared, and some critical technologies about programs were studied. A guideline for developing the system was proposed ultimately.