It is recommended to choose e-commerce because window display is an e-commerce platform. The display and sale of goods require rich product descriptions, specifications, product photos, etc. Group buying focuses on sales volume, while e-commerce focuses on brand building and product quality improvement. It can establish word-of-mouth communication composed of satisfied users and good reviews, increase the stability and durability of purchases, and e-commerce can also refine the target audience to achieve better marketing goals. In general, if the store has competitive product quality and brand image, and pays attention to the cultivation and maintenance of word-of-mouth, it is relatively more feasible to choose e-commerce.