under normal circumstances, the market investigation of catering business should be carried out from the following aspects: 1. the investigation of target customers is very important at the end, which will directly determine whether and how many people will come to patronize the catering business in the future. 2. Investigation of competitors The purpose of the investigation of competitors is to understand the situation of competitors and analyze the competitive situation, so as to avoid blindly opening stores and avoid business failure. By investigating competitors, we can estimate their sales revenue and understand their operating conditions. In addition, we should also pay attention to the analysis of the successful factors of competitor Hongying and the reasons for its poor operation, which is very important to determine our business strategy. Besides the real competitors, we should also pay attention to some potential competitors. So that we can grasp the situation of our competitors to the maximum extent and be in a competitive advantage position. 3. Investigation on the external business environment of catering Any catering business activity can't be carried out in the air, and it will definitely be attached to a certain realistic environment. The investigation on the external business environment will make the catering business more adaptable and practical. Investigation of external environment, mainly including local policies and regulations; The level and direction of economic development; Population, residents' income, consumption level and purchasing power; Dietary customs; Raw materials, labor resources, energy supply, etc. The market investigation of catering business includes many aspects, but the most important ones are the above points. A good beginning is half the battle. If we can investigate these market factors in detail, it will be of great benefit to open restaurants.