An effective location algorithm for near space radar network based on angle information is discussed in this paper. The location model is established according to the geometric relationship between target and radar station. The nonlinear equations about azimuth and elevation are transformed into linear equations. Least square algorithm is used to get the initial value of the target location. Then the location issue is transformed into a non-constrained optimization issue by the maximum likelihood method. Believable field method is used to solve the optimization issue. The detailed process of the algorithm is also presented. The location accuracy of the algorithm is analyzed and the geometric dilution of precision (GDOP) is obtained. The simulation results show that the use of the algorithm can effectively improve the location precision of angle information and the performance of the proposed method is better than that of the least square method. The research result of this paper provides a theoretical basis for the detecting and tracking of the near space radar network.