1. Catering industry: The catering industry is a huge market, and consumers' needs are diversified. Joining a restaurant chain brand is a good choice.

2. Education industry: With the increasing emphasis on education, the market of education industry is gradually expanding. Joining education chain brands can gain market share quickly with the help of brand influence and mature teaching mode.

3. Retail: Retail is another potential joining field. Joining a well-known retail chain brand can get the support of brand authorization, commodity procurement and store decoration, and reduce the risk of starting a business.