Legal analysis: A restaurant with a business license without a hygiene license is unlicensed and cannot be opened.

legal basis: food safety law of the people's Republic of China article 35 the state practices a licensing system for food production and operation. Engaged in food production, food sales, catering services, shall obtain a license according to law. However, the sale of edible agricultural products does not require permission. Those who have not obtained the catering license shall not engage in food business activities.