The main functions and functions of horseshoe crab are to clear away heat and detoxify, activate blood circulation and remove blood stasis, etc. It is rich in nutritional and medicinal value. Occasional consumption can improve physical fitness. Excessive intake may increase the burden on the gastrointestinal tract, and its effect is ultimately limited. It should be noted that horseshoe crab is a second-level protected animal in the country, so it is illegal to eat horseshoe crab.

The body of the horseshoe crab is divided into three parts: cephalothorax, abdomen and sword tail, which are connected by joints. It has four eyes, two Only one eye and two compound eyes. The ancestors of the Chinese horseshoe crab first appeared 450 million years ago and stopped evolving until 200 million years ago.