Composite armor protective materials are an important factor affecting their anti-ballistic effect. Therefore, the reasonable application of protective materials can significantly improve the anti-ballistic capability of composite armor under constraints such as weight and size.In response to the protection requirements of armored vehicles from different angles, a composite armor simulation model composed of different protective materials was established to study the ballistic performance of materials at different angles, and the effectiveness of the model was verified through target test.For 54 type 12.7 mm armor piercing incendiary shells at 100 mm, the anti-ballistic performance of ceramic composite armor was firstly higher than that of titanium alloy composite armor with increasing incident angle, and then gradually decreased. When the incident angle reached 45°, the anti-ballistic performance of ceramic composite plate was close to that of titanium alloy composite plate. As the angle continued to increase, the anti-ballistic performance of titanium alloy composite plate gradually became better than that of ceramic composite plate. By conducting target tests on ceramic and titanium alloy protective composite armor at a normal angle of 100 m/48°, the effectiveness of the established simulation model is verified. Subsequently, the research on the ballistic performance design of composite armor can be conducted, and the optimal packaging material and structure can be established based on the simulation model to reduce target test, improve design efficiency, and increase economic benefits.