As for the customer segmentation of the traditional RFM model, due to the lack of scientific indicators, it is impossible to conduct accurate segmentation for the aviation market. Therefore, the TLFM model is proposed as the index of segmentation. SOM algorithm and "elbow method" are used to determine the best k value of k-means algorithm, so as to obtain the results of the customer segmentation of the aviation market. Finally, according to the situation of customer segmentation and behavior characteristics of various customers, different services and different marketing strategies are proposed to improve the competitiveness of airlines.