The invention relates to a flavoring bag, a fish flavoring bag and a fish cooking method, which are belong to the field of food. The flavoring bag is obtained by mixing a main material and the auxiliary materials, then edible oil is added for stir frying, and water is added for boiling. The main material comprises pickling food, bean cotyledon, pungent substances, rock sugar, chili substances and chicken paste, the auxiliary materials are a yeast extract, vanilla, zingiber kawagoii hayata, clove, cassia, tsaoko amomum fruit, anise, fennel, powdered pepper, old ginger, monosodium glutamate, ethyl maltol, Yu Xiangbao, and potassium sorbate. The flavoring bag has the advantages of unique flavor and rich fragrance. The fish flavoring bag comprises the above flavoring bag, a fish pickling bag, and a dried material bag, wherein the fish pickling comprises salt, starch, flour, egg white, papain, trypsin, perilla polyphenol, Stellaria alsine and dried yeast, and the dried material bag comprises minced meat, dried flowers and dried fruits. The fish flavoring bag has the advantages of low cost and rich color and fragrance, and has better seasoning effect for fish. The fish flavoring bag is used for cooking fish, can shorten the cooking time, keeps the tender of the fish flesh, and makes the fish tasty.