Legal analysis: According to the relevant laws and regulations, hygiene license refers to the hygiene license certificate issued by units and individuals engaged in food production and business activities of restaurants after examination and approval by the health administrative department, with the license number for registration. The health certificate of the catering industry has not been issued, which belongs to unlicensed operation and is not allowed to open.

legal basis: article 84 of the food safety law of the people's Republic of China, food inspection institutions can only engage in food inspection activities after they have obtained their qualifications in accordance with the relevant national certification and accreditation regulations. However, unless otherwise provided by law. The qualification conditions and inspection specifications of food inspection institutions shall be stipulated by the food safety supervision and administration department of the State Council. Inspection reports issued by food inspection agencies that meet the requirements of this law have the same effect. People's governments at or above the county level shall integrate food inspection resources and realize the enjoyment of resources.

Article 143 of the Criminal Law of the People's Republic of China * * * Whoever produces or sells food that does not meet food safety standards enough to cause serious food poisoning accidents or other serious food-borne diseases shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention and shall also be fined; Whoever causes serious harm to human health or has other serious circumstances shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined; If the consequences are especially serious, they shall be sentenced to fixed-term imprisonment of not less than seven years or life imprisonment, and shall also be fined or confiscated.