Legal analysis: Yes, you need to obtain six certificates to open a homestay, namely: hygiene license, business license, tax registration certificate, special trade license, fire inspection qualified opinion, food circulation license or catering service license. B&B must have a business license to operate.

Legal basis: Provisions on the Administration of Registration of Business Scope of Enterprises

Article 3 The business scope refers to the business scope of an enterprise registered by the enterprise registration authority according to law.

Applicants should refer to the classification of national economic industries, select one or more subcategories, middle categories or large categories, and independently apply for business scope registration. For emerging industries or specific business projects that are not standardized in the national economic industry classification, you can refer to policy documents, industry habits or professional documents to apply.

The business scope of an enterprise shall be consistent with its articles of association or partnership agreement. Where the business scope changes, the enterprise shall amend its articles of association or partnership agreement and apply to the enterprise registration authority for registration of change.

Article 4 Where the business scope of an enterprise applying for registration belongs to the business items that must be approved before registration according to laws, administrative regulations or the State Council decisions (hereinafter referred to as pre-licensed business items), it shall apply for registration with the enterprise registration authority with the approval documents and certificates of the examination and approval authority before applying for registration.

Where the business scope of the enterprise applying for registration belongs to the business projects that must be approved after registration as stipulated by laws, administrative regulations or the State Council decisions (hereinafter referred to as licensed business projects), the business activities of the licensed business projects shall be approved and registered by the enterprise registration authority according to law before they can be carried out.

Article 5 The enterprise registration authority shall register the pre-approved business projects according to the approval documents and certificates of the examination and approval authority. If the pre-approved business items are not clearly indicated in the approval documents and certificates, the registration shall be handled in accordance with the relevant laws, administrative regulations or the provisions of the the State Council decision and the classification of national economy industries.

For business projects other than pre-licensed business projects, the enterprise registration authority shall register according to the articles of association, partnership agreement or application, with reference to the national economic industry classification and relevant policy documents, industry habits or professional documents.

The enterprise registration authority shall mark "(projects that must be approved according to law can only be carried out after the approval of relevant departments)" after the business scope.