In order to improve fighter guidance accuracy and make fighter get favored position while getting to the air combat space, a fighter guidance law based on the collision error between homing weapon and target was derived. 为提高飞机导引精度,使飞机在进入空战区域时占据有利条件,推导了一种基于制导武器与目标的相遇误差的飞机导引方法,并对其进行了仿真。