Convenience store refers to a retail form that usually occupies a good position, mainly focuses on food, has long business hours and limited variety of goods. Customers visit convenience stores in order to replenish their goods, and they often visit them after work or in their spare time. Gasoline, milk, groceries, newspapers, soda drinks, cigarettes, beer and fast food are popular commodities in convenience stores. The format originated in the United States, and then two branches were derived, namely, traditional convenience stores and gas station convenience stores. The former developed in Japanese, China, Taiwan Province and other Asian countries and regions, while the latter was more popular in Europe and America. Conveniencestore, also known as CVS (abbreviated from English ConvenienceStore) in Japan and other regions, originated in the United States, and usually refers to a small-scale store that sells people's livelihood-related materials or food with diverse types of goods, including a store attached to a gas station, which is usually located in a convenient place. Convenience stores are sometimes regarded as small supermarkets.