First find a place where there is a large flow of people (such as stations, wharves, markets, etc.), rent a storefront room, and then go to the industry and commerce, tax, health department to apply for a business license, tax registration certificate, invoices, health permits, etc., to recruit 1-3 workers (to have ID cards, health certificates), you can legally open for business. Without rent, about 5,000-10,000 yuan can be.
Wishing you prosperity...