1, the water boils and cooks for about 5-10 minutes.

2, common parasites including roundworms, whipworms, pinworms, Chinese testicular schistosomiasis, pig cysticercus, etc., generally in the 90 degrees high temperature for a few seconds to more than a dozen seconds will die, and in order to insure the period, the general recommendation to cook the snail when cooking for a longer time, recommended after the water boiled and then boiled for 5-10 minutes, not only able to kill bacteria and parasites, but also won't be the meat of the snail boiled old.