The blood of horseshoe crabs can effectively stop the invasion of bacteria and inhibit the reproduction of viruses. In addition to its otherworldly color, the horseshoe crab's blood has an amazing function. Horseshoe crab blood cells are primitive and undivided, but this simple primitive cells have amazing functions. When bacteria and viruses come into contact with the blood of horseshoe crabs, the deformed cells in the horseshoe crab's blood release a coagulation protein, which causes the blood to clot rapidly and stops the bacteria from reproducing. Like a barrier, it effectively prevents other bacteria from invading.

The horseshoe crab is a second-grade protected animal, which is prohibited from being illegally caught, processed, sold, or consumed by any individual or organization. If you know the law and the circumstances are serious, you will be sentenced to less than five years in prison and fined.