Abstract: Target track quality evaluation is a problem of multi-index evaluations, including the accuracy and continuity of the target state. The present evaluation indexes are not applicable to the real-time evaluation of the target track quality. Furthermore, in the comprehensive evaluation of track quality, weighted coefficients of each index are directly given by experience and thereby lack theoretical basis. To solve the problems above, a real-time evaluation method of target track quality based on location information is proposed. Firstly, a real-time evaluation index system of target track quality is established according to target location information, and the recursive calculation method of the evaluation index is given. Then, the weighted coefficients of evaluation index are determined based on the analytic hierarchy process. Finally, the method of weighted summation is used to evaluate the comprehensive quality of the target track. The experimental results based on simulation data proved the effectiveness of the proposed method.