The inquiry method of Guizhou food business license website is as follows:

1. Inquire on the website of the State Administration of Markets: Open the official website of the State Administration of Markets, find the columns such as "Public Information of Food Business License" or "Food Safety Sampling" in the "Public Column" on the homepage of the website, and click to enter the inquiry interface. Enter the company name, address and other information on this page to query.

2. go to the local market supervision department for inquiry: go to the local market supervision department (usually the food and drug supervision department) for inquiry methods, and bring information such as the name and address of the enterprise to make an inquiry.

3. Inquire on the website of Credit China: Open the official website of Credit China, select the "Enterprise Credit Inquiry" page, and enter information such as the name of the enterprise for inquiry, in which the license information will also be publicized. A food business license refers to a food business license certificate issued by a legal entity engaged in food sales and catering services within the territory of the People's Republic of China and approved by the food and drug supervision and administration department.