In this Research, as a part of a proposal to increase the purchase rate of golf wear in their twenties among the 2030 generation, which is currently leading the golf wear market, this study identifies the influence of brand image on purchasing behavior and then can influence gender. It was identified through the moderating effect. The results are as follows. First, it is confirmed that factor 1 of brand image has a significant positive influence on purchasing behavior. Second, there is a moderating effect according to gender in the influence that brand image has on purchasing behavior. In conclusion, increasing buying behavior in your 20s. One of the brand images is the need to strengthen your marketing strategy, but it's there. However, the following suggestions are made to help the research under way.