The fifth step tells you that running a business must be legal and choose a legal form. This paper introduces various legal forms suitable for establishing micro-enterprises and teaches you to choose a legal form suitable for your own enterprises. The sixth step is to tell you that your enterprise should bear relevant legal responsibilities, and your enterprise can only be protected by national laws if it is registered. Your enterprise should abide by the national tax law, enterprise law, labor law, environmental protection law and other relevant laws and regulations. The seventh step is to predict the start-up funds. Tell you that starting a business requires start-up capital, which includes investment (fixed assets) and working capital. You should calculate how much start-up capital you need according to the size of your enterprise, that is, the sales volume predicted earlier. The ninth step is to make a business plan. Through the first eight simulation exercises, you can fill in the business plan and form your own business plan. By making a business plan, we can measure whether our business can be established. At the same time, according to our business plan, we can make a business action plan, such as applying for a loan and a business license. SIYB training is a series of courses specially developed by the International Labour Organization to train small entrepreneurs in order to promote employment, support the development of small and medium-sized enterprises in developing countries, promote employment through entrepreneurship, and achieve employment multiplication effect. It includes four training courses: Entrepreneurship -gyb, Entrepreneurship -syb, Improving Business -iyb and Expanding Business -eyb. This training course is specially designed to train potential and existing small business founders, so that they can start practical enterprises, improve the vitality and profitability of existing enterprises, and create employment opportunities for others in the process.