The invention relates to an access system selection method of wireless access network planning. The method comprises the following steps: constructing an attribute preference judgment matrix, and establishing an importance degree relationship among factors considered in a planning process; obtaining a weight of each factor in the planning process from the attribute preference judgment matrix according to a fuzzy analytic hierarchy process weight sorting formula; obtaining information comprising cost, coverage, carrying capacity and terrain of a base station candidate point under different wireless systems, performing weighted summation according to the weight of each factor to obtain a score, and using the system with the highest score to achieve the wireless access network planning. By adoption of the access system selection method provided by the invention, based on the analytic hierarchy process, the direct influence relationship among various factors can be directly arranged at different levels, the access system selection method is not only suitable for the condition in the presence of uncertainty and subjective information, but also allows to use experience, insight and intuition in a logical manner to obtain an optimal result, and the method provided by the invention is not limited to the cost, the coverage, the carrying capacity, the terrain and other factors.