It is harmless to fry sand worms with cooked salt. Fried worm with cooked salt is not toxic in itself, but it is rich in nutrients such as protein, vitamins and minerals. It is a kind of food with rich nutrition and unique taste. However, it should be noted that dry sand worms are wild animals and may carry parasites, bacteria and other pathogenic substances. If they are not fully processed and cooked, they may pose certain risks to human health.