Is it legal to expand the company and organize customers to expand tourism?

The specific situation depends on the actual situation. If the purpose of organizing tourism is pyramid selling or doing other illegal things, it is not legal, but it is legal to simply expand business through tourism.

Tourism is a kind of travel and sightseeing activity, which is the sum total of a phenomenon and relationship caused by the travel and temporary residence of non-settlers. It is a complex social phenomenon, involving politics, economy, culture, history and other social fields.