The websites of the Ministry of Health and the State Food and Drug Administration can inquire about the health foods approved by the state. The website of the Ministry of Health can inquire about the products with health food and health words before 2002 (the products with health food and health words are no longer approved by the state after 2002), and the website of the State Food and Drug Administration can inquire about the products with health food and health words after 2002. The above two kinds of products are Jian Zi products approved by the state, commonly known as Little Blue Hat.

The regional health food certificate is a local product, which is the so-called food brand product. This can only be found in the health bureau where the batch number is located.