Sea screws, commonly known as sea snails, sea lion snails, wheat snails or white snails, etc., the tail is more pointed, elongated, length of about 1 centimeter, width of about 0.5 centimeters, mainly distributed in Zhejiang, Fujian, Guangdong coast. (Reporter Zhang Ran) Recently, Zhejiang and other places occurred in a number of cases of poisoning caused by eating sea snails. The Ministry of Health yesterday issued a public notice, urgently called a halt to any food production and management units purchasing, processing and sales of sea snails. Sea snail, also known as threaded snail, wheat snail or white snail, etc., the shape of the tail is more pointed, elongated, the length of about 1 centimeter or so, the width of about 0.5 centimeters, about the size of the fingernail cap. The main cause of poisoning is the tetrodotoxin it contains, after eating can produce dizziness, vomiting, numbness of lips and fingers and other symptoms of poisoning, the incubation period of the shortest 5 minutes, the longest 4 hours. There is currently no specific treatment for snail poisoning and no antidote medication. The Ministry of Health issued a public announcement that any food production and management units are not allowed to purchase, process and sell sea snails. The general public should raise awareness of self-protection, do not buy and eat sea snails. After accidental ingestion, such as the occurrence of numbness of the lips and mouth and other similar neurological symptoms of poisoning, should immediately go to the hospital.