The hairtail has no skin, it only has one layer of scales. Soak the hairtail in warm alkaline water for a while, then rinse it with clean water, then put the hairtail into hot water of about 80 degrees and blanch it for 10 After 15 minutes, immediately move it into cold water. At this time, use a brush or scrape with your hands to quickly remove the fish scales.

Hairtail belongs to the bony fish class Perciformes and family Hairtail in the subphylum Vertebrates under the phylum Chordata. Also known as nepotism, fat ribbon, oil ribbon, toothed ribbon fish, etc., they are ferocious in nature. Qingdao and Rizhao are cities along the Yellow Sea called Sichuan. The body of the hairtail is flat as a band on the sides and is silver-gray in color. The dorsal and pectoral fins are light gray with very small spots. The tail is black. The head of the hairtail has a large pointed mouth and gradually tapers to the tail. The total length is about 1 meter.