The invention discloses a marketing service outlet investment analysis method, which comprises the following steps: s1, selecting marketing service outlets that require investment rationality analysis; s2, through a questionnaire survey, conducting an investment rationality analysis index item design; comparing the multiple index items of the design in pairs, constructing a judgment matrix, and obtaining the first set of weight vectors through calculation on the judgment matrix; s3, acquiring the corresponding marketing service outlet data and normalizing the data to obtain a fuzzy evaluationmatrix; the fuzzy evaluation matrix calculating by the entropy evaluation method to obtain the second set of weight vectors; s4, applying a simple arithmetic average method to the first set of weightvectors and the second set of weight vectors to obtain a third set of weight vectors, that is, a combined weight vector; s5, combining the third set of weight vectors and the fuzzy evaluation matrix,obtaining comprehensive evaluation results, ranking the comprehensive evaluation results, and giving the final conclusion according to the ranking result.