Snails are snails. Threaded snail is a poisonous creature, in the summer of each year, the most toxic, after eating threaded snail may cause dizziness, vomiting, lips and fingers numbness and other symptoms of poisoning, the State Ministry of Health has expressly prohibited the operation and sale of threaded snail. Threaded snail is commonly known as sea snail, sea lion snail, white snail or wheat snail, some places also known as cut incense snail, a cone snail, small yellow snail. It belongs to the family of mollusks, gastropods and snails. The appearance of the snail is characterized by a pointed and elongated tail, a length of about 1 cm, a width of about 0.5 cm, and an operculum about the size of a fingernail cap. The snail is mainly found in the coastal areas of Zhejiang, Guangdong, and Fujian, and generally lives near offshore reefs or on muddy bottoms.