A grey analytic hierarchy process (GAHP) is proposed to evaluate the survivability of reconnaissance unmanned aerial vehicles (UAVs) in order to meet the requirements of maintaining the survivability of UAVs. The index system of the survivability of reconnaissance UAV is constructed by using the analytic hierarchy process and the expert scoring method, and the comprehensive quantitative evaluation of the survivability of reconnaissance UAV is carried out by combining the grey theory, and the key indexes are determined by analyzing the parameter indexes that affect the viability of reconnaissance UAV through the analytic hierarchy process. The example analysis results show that the method is more objective and feasible than simply using the analytic hierarchy process, which can provide a reference for the subsequent optimization of the survivability of reconnaissance UAV.