Crocodiles are sold in the big seafood market. As for the formalities, it is to go through the environmental assessment procedures first, specifically, to buy an oil fume purifier and a catering oil-water separator, then go through the environmental protection department for environmental assessment procedures, then go through the catering service license, then the industrial and commercial business license, and then the tax registration. Personally, I suggest that the catering items should be carefully selected. Crocodile meat belongs to the variety restricted by the state, and it is troublesome to obtain the certificate of breeding from the supplier to prove that it is not wild. Cautious inspection is recommended.