Dead snails are not edible.
Every 100 grams of edible part of the snail contains 10.7 grams of protein, 0.2 grams of fat, 93 milligrams of phosphorus and 19.8 milligrams of iron and other nutrients, there is a certain nutritional value, but after the death of the snail will make the protein components deteriorate, resulting in the production of toxins, so the dead snail is not edible.
Usually eat snails should pay attention to cooking long enough to ensure that the pathogenic bacteria to be killed, before eating to clean snails, will be sediment impurities row clean, to avoid eating spoiled or corrupt snails, while moderate consumption of snails, to prevent the stomach and intestines to increase the burden of digestion.
If you consume dead snails and experience any discomfort, seek immediate medical attention to avoid delaying your condition.