The paste of male crab is edible. The white paste in male crabs is generally edible and will not affect health. However, crabs must be completely cooked before eating, so as to fully kill pathogenic microorganisms such as bacteria and parasites that may exist in crabs. The white paste in the male crab usually refers to crab paste, which mainly includes the accessory gonads and secretions of the male crab. After it is completely cooked, it can be safely eaten. And it is rich in fat and protein, which can supplement the nutrition needed by human body after eating. However, if it is not completely cooked, some bacteria and parasites may remain, which may easily lead to bacterial or parasitic infection after eating.