The main ingredient of squid skin is protein, which can be eaten. Squid skin in addition to protein, there are a variety of vitamins, minerals and essential amino acids, so that as an ingredient to eat is not a problem, but may be due to its taste and edibility is slightly worse, there will be people to squid skin disposal do not eat, after appropriate processing to improve the taste can be eaten; it is outside of the dark skin of the fishy taste, some people do not adapt to this taste also do not like to eat. In addition, squid skin contains a lot of cholesterol, which is not good for health. If you eat can be soaked in white vinegar or cooking wine for 20 minutes, blanch it in hot water before cooking, it will reduce the fishy flavor and enhance the taste.