Fish, also known as "soft fish", the largest production of Taiwan Province, called "gun squid", can be fresh or dried. Squid nutritional value is very high, per 100 grams of dried products containing protein 66.7 grams, 7.4 grams of fat, and contains a large number of carbohydrates and calcium, phosphorus, sulfur and other inorganic salts. Squid's nutritional value is very high, protein content of 16% to 20%, fat content is very low, only 1% less, so the calorie is also low, for people who are afraid of fat, eat squid is a good choice. Squid fat contains a lot of highly unsaturated fatty acids such as EPA, DHA, plus the meat contains a high amount of taurine, can effectively reduce the accumulation of cholesterol in the walls of blood vessels, for the prevention of vascular sclerosis, the formation of gallstones are quite effective. It is also effective in preventing hardening of blood vessels and the formation of gallstones, and in replenishing brain power and preventing Alzheimer's disease. Therefore, it is easy to develop cardiovascular disease in the elderly, squid is more beneficial to the health of the food.