There are many ways to teach food and beverage management by yourself. The following are some common methods:

1. Read relevant books and magazines: By reading books and magazines on food and beverage management, you can know the latest trends, management skills and successful cases of the industry. Recommend some classic food and beverage management books such as Food and Beverage Management and Food and Beverage Management Practice.

2. Participate in online courses and training: There are many online platforms that provide training courses on catering management, so you can choose the courses that suit you. These courses usually include theoretical knowledge, case analysis and practical operation.

3. Join the catering management community: You can join the catering management community through social media or offline activities to exchange experiences and share resources with other practitioners. In this way, you can expand your circle of contacts and get more learning opportunities and career development suggestions.

4. Field trip and internship: If you have the opportunity, you can go to some successful restaurants for field trip and internship in person. Through personal experience and observation, you can learn the details of actual operation and management and improve your practical ability.

5. Make study plans and goals: Self-study requires clear goals and plans. You can make study plans and set goals according to your own interests and needs. The learning content can be decomposed into small tasks, which can be completed step by step to maintain the continuity and motivation of learning.

6. Use Internet resources: There are many free catering management resources on the Internet, such as blogs, forums and video tutorials. You can use these resources for study and research, and get more knowledge and information.

In a word, self-taught catering management requires continuous learning and practice, combined with a variety of methods and resources, and constantly improve their professional ability and management level.