Squid is a common type of seafood, belongs to the food, moderate consumption is beneficial to the organism, there is no special collocation of food taboos. Squid is a mollusk living in the sea, not a fish, in the domestic and international seafood market has long been famous. Squid 80.4% are water, squid consumption can be consumed in the main nutrients is protein, the proportion can reach 17.4%, is a high-quality protein food source. The highest vitamin content in squid is niacin, with a specific content of 1.6mg/100g, which ranks high among similar foods. The highest mineral content in squid is potassium, with a specific content of 290mg/100g, ranking it among the top foods of its kind. The cholesterol content in squid is high, with a specific value of 268mg/100g, so it is not recommended to consume too much of it for patients with high blood cholesterol and cardiovascular diseases. Squid does not have a special collocation of food taboos, so there is no clear food that can not be eaten together. Moderate consumption of squid can supplement some of the nutrients needed by the human body, but the nutrients needed to maintain normal physiological activities are too complex to rely solely on the consumption of squid to provide, should be a balanced diet.