You can't. According to the official information released by Guangzhou residential building, the owner shall not change the house into a business house in violation of laws, regulations and management regulations, and shall not set up a fitness training institution. Guangzhou, referred to as Guangzhou and Huacheng for short, is the capital, sub-provincial city, national central city, megacity, international metropolis, international business center and international comprehensive transportation hub of Guangdong Province.