The blood of horseshoe crabs has many unique and important functions, as follows:

First of all, the blood of horseshoe crabs can be used to treat various infectious diseases, such as pneumonia, bacterial enteritis, etc.

Secondly, horseshoe crab blood can detect bacterial infection in human tissues and can be used to make rapid detection kits, such as "limulus reagents."

In addition, horseshoe crab's blood is also rich in platelets, which can effectively improve the condition of blood diseases such as thrombocytopenia and leukemia.

Finally, the horseshoe crab’s blood contains special cells called hemolymphocytes, which are the main immune cells of the horseshoe crab and can identify and destroy pathogens that invade the body, such as bacteria, viruses and parasites. Plays an important role in protecting horseshoe crabs from infection and disease.