Peppie shrimp need to remove the shrimp line. Shrimp thread is actually the digestive tract of the Peppermint shrimp, which contains wastes that are not excreted completely, as well as containing bitter substances, these residues not only affect the taste of the Peppermint shrimp, but also in some cooking methods, such as white steam or wine stew, due to the heating will be made in the thread of the bitter substances aggravated, will mask the Peppermint shrimp itself the sweet taste, in order to ensure the best eating experience, remove the thread of the shrimp before cooking Peppermint shrimp. Mouth shrimp mayflies are commonly known as the Seti shrimp, mantis shrimp, crawling shrimp, shrimp crawlers, Peppy shrimp, etc., for the phylum Arthropoda, subphylum Crustacea, mollusks, shrimp subclass, stomatopods under the species of the collective name, the species are divided into seven general families *** counting nearly 500 species, the vast majority of which live in tropical and subtropical waters, a few seen in temperate waters, which mayflies shrimp (Squillidae), mouth shrimp mayflies genus (Oratosquilla) under the family of mayflies. oratosquilla) under the wide temperature species, mouth shrimp mayfly (oratosquillaoratoria) in China's coasts are distributed, for the most widely distributed in China, the largest production of stomatopods.