The internal organs, tail end and brain of the snail should not be eaten, otherwise it will affect your own health.1.Brain:The brain of the snail is two similar small balls, usually in the head of the large conch, and after consuming it, you will experience dizziness, headache, nausea, vomiting and other symptoms. This is mainly because the metabolites in the conch brain can cause poisoning and are not good for one's health, so the conch brain needs to be removed when cooking.2. Offal:The offal of the snail contains a large number of harmful substances, and some of the poisonous substances will be stored in the offal, which may cause poisoning after consumption, and it will also affect the taste of the conch, so the offal of the snail needs to be removed when consuming it.3. Tail of the Snail:The snail's tail belongs to the stomach, which contains some excreta and bacteria, which is not good for the body, so the tail must be removed when cleaning the snail. When you eat snails, in order to avoid germs or parasites infection, you must cook them before eating them, and the cooking time is usually controlled for more than 10 minutes, which can achieve the effect of killing parasites. In addition, the snail is a cold food, spleen and stomach cold or fear of cold people can not eat, people allergic to seafood can not eat.