Because the studio must have a business license to engage in business activities, otherwise it is illegal to operate without a license. Unless it is a vendor who has no fixed business premises or does not engage in profit-making activities, it may not be necessary to apply for a business license.
Legal basis: Article 2 of the Regulations on Individual Industrial and Commercial Households.
Citizens with operational ability refer to individual industrial and commercial households registered by the administrative department for industry and commerce in accordance with the provisions of these regulations. Individual industrial and commercial households can operate independently or at home. The legitimate rights and interests of individual industrial and commercial households are protected by law, and no unit or individual may infringe upon them.