1, allergic, protein in Longli fish belongs to a macromolecular substance, and as a fishy aquatic product, it is easy to breed bacteria and produce a lot of histamine and other ingredients, which may cause allergic reactions in some people after eating, so it is not suitable for people who are allergic to Longli fish and allergic constitution.

2, gout patients, the content of sputum in Longli fish is still relatively high, so for patients with hyperuricemia or gout, it is not recommended to eat, so as not to make the condition more serious.

3, suffering from hemorrhagic diseases, Longli fish contains an ingredient called eicosapentaenoic acid, which can inhibit platelet aggregation, so patients with hemorrhagic diseases are not recommended to eat Longli fish.

4, patients with liver cirrhosis, many patients with liver cirrhosis will have coagulation dysfunction, and then eating Longli fish with inhibition of platelet aggregation may cause bleeding symptoms, so patients with liver cirrhosis should not eat Longli fish.