Crab is rich in protein, which has the function of nourishing yin and strengthening yang. In addition, crab meat is rich in trace elements needed by the human body, such as phosphorus and other substances, so eating crabs is beneficial to the human body. Generally speaking, it is edible. However, some people are still cautious about eating crabs because they are very cold, so people with colds should eat less of them for the time being, and when their health recovers, they can eat them without worry.

Crab has the effect of soothing the tendons and benefiting the qi, regulating the stomach and eliminating food, opening the meridians and collaterals, dispersing all kinds of heat, and dispersing bruises and blood. Crab meat is salty and cold, has the effect of clearing heat, resolving bruises and nourishing yin, and can treat bruises, tendon injuries and fractures, and allergic dermatitis. Crab shell calcined ash, mixed with honey, external application can be treated for wasp stings or other anonymous swollen venom. Crab meat has a good effect on all kinds of cancer.

The taste of crab is delicious and nutritious. Crab is cold in nature and has the effect of clearing heat and removing toxins, which can cure gastric qi and promote digestion, and proper consumption of crab can disinfect and can also supplement certain energy. Crab is rich in protein and nutrients, such as amino acids, calcium, iron, zinc, potassium, vitamins, etc. It can promote the repair of the human body, has the effect of nourishment, and can also improve the immune function. Crabs can also prevent and fight cancer, reduce blood lipids, and maintain the level of blood phosphorus and blood calcium in the human body.