Crayfish belongs to food, food does not have hot and cold properties, so the crayfish does not belong to the cold or hot food. Crayfish is a crustacean, decapod, crayfish aquatic animals, is a freshwater economy shrimp. However, crayfish belongs to the food rather than Chinese medicine, so there is no Chinese medicine hot and cold, warm and cold points. Each 100 grams of crayfish contains 93 calories, 14.8 grams of protein, 3.8 grams of fat, 225.2 milligrams of sodium, 85 milligrams of calcium, 6.4 milligrams of iron, 8 micrograms of selenium, vitamin E4.31 milligrams. Crayfish shrimp meat contains some magnesium, zinc and other trace elements, magnesium can regulate heart activity, protect the cardiovascular system. Crayfish also contains astaxanthin, a strong antioxidant. Daily consumption of crayfish, you should choose clean and hygienic ingredients intake, to prevent diarrhea and so on. Crayfish should not be consumed by those who are allergic to crayfish.