It is not true that four kinds of people should not eat puffer fish, but those who are allergic to puffer fish are forbidden to eat. Pufferfish is a relatively special fish, its skin, viscera and blood contain toxic ingredients, generally only part of the fish meat is non-toxic, need to be eaten by professionals to deal with, such as in the improper may cause poisoning, with a certain degree of danger, but there is no strict four people can not eat, under normal circumstances, most people can be eaten in moderation. Puffer fish has certain nutritional value, generally 100g puffer fish meat protein content of up to 18.7g, but please do not feel free to deal with puffer fish after eating, allergic to puffer fish is prohibited. If you feel unwell, please seek medical advice.