1. Origin and development: Boxma Xiansheng was founded by Alibaba Group, focusing on community stores and providing online and offline services. Sam member store was founded by Wal-Mart in the United States, and it takes the form of a large storage supermarket.

2. Business model: Boxma Xiansheng pays attention to the integration of online and offline, and provides 24-hour online service. Sam's member shop mainly uses membership services and does not provide online sales.

3. Commodity types and prices: Boxma Xiansheng mainly deals in fresh commodities and groceries with moderate prices. Sam member stores mainly deal in food, daily necessities, household appliances, electronic products and other commodities, and the prices of bulk commodities are relatively low.

4. Shopping methods and service methods: Boxma Xiansheng provides online platform and offline store services, and pays attention to the improvement of service quality. Sam member stores do not provide online sales services, but pay attention to member services and corresponding discounts.