No matter what we do, we must first target our customers. Most of us believe that business will be good if there is a large flow of people. The idea is right, but it may not have a good result, such as railway stations, subway stations, university gates, leisure squares and commercial streets. People in every place have different natures. There are only two kinds of businesses, restaurants and hotels near the railway station, and only snacks and fast food services can be provided near the subway station, no matter how many. Don't treat it as your consumer group, or you will fail. You can only predict the percentage of target customers in the crowd, then predict the daily sales and profits, calculate the approximate income for one month and one year, and then decide whether to do it or not, and lock in the crowd, age, consumption power, consumption habits, environmental status quo and comprehensive factor analysis results you serve. Even if you set up a stall, you should find the right product, otherwise,