Legal analysis: it can't be installed. For restaurants engaged in catering services, you must make the kitchen bright, so as to ensure the supervision of the regulatory authorities and consumers and prevent food safety accidents. Therefore, it is legal to force the installation of the kitchen of the surveillance restaurant.

Legal basis: Measures for the Administration of Food Business License

Article 7 China Food and Drug Administration shall be responsible for formulating the general rules for the examination of food business licenses.

Local food and drug supervision and administration departments at or above the county level shall abide by the General Rules for the Examination of Food Business License when conducting the examination of food business license.

Article 8 The food and drug supervision and administration department at or above the county level shall speed up the informatization construction and publish the business license items on the website of the administrative organ, so as to facilitate the applicant to apply for business license by means of data message and improve efficiency.