You can eat it. Field snails generally live in paddy fields or ponds, and it is not expensive, many people like to eat, fried field snails is very delicious, and the protein amino acid content of the snail is very rich, very nutritious. There may be parasites present in the snail, when you eat it, you have to wash it a few times, and in the process of stir-frying, heat it up for a while more, and it can be killed after high temperature, so you can eat it without worry.
We used to go to the river to touch snails when we were young, take it home and put it in the water to swim for a few days first, in the middle of the water, more water changes, wait for it to spit out the sand, clean it up, pinch the tail in order to taste, hot oil add onion, ginger and garlic to burst incense, and then a handful of chili peppers, stir-frying, out of the pot and fragrant and spicy, absolutely delicious.