The pickling method of hairtail is as follows:

1. Prepare the hairtail and rinse it with sea water, clean the attached sediment and other debris, and remove the organs that are not to be eaten.

2. Sprinkle 2 cm thick salt on the bottom of the fish pickling pond, then rub the outside of the fish body with salt and stuff the salt into the gill cover and arrange it in the pond.

3. When arranging, place the fish heads close to the pool wall, the belly of the fish upward, and the back of the fish downward. Place them at an angle on the bottom of the pool, and at the other end of the pool. If there is a gap in the middle, use the fish bodies to arrange them horizontally. Fill it levelly and lay it layer by layer until it reaches the mouth of the pool.

4. Sprinkle salt all over the top fish body to cover it, and cover it with wooden boards and other materials.

5. Press the stone. After 3 days, the marinade will seep out and rise to the surface of the pool. After half a month, the hairtail is marinated.

The hairtail fish belongs to the bony fish class Perciformes and the hairtail fish family in the vertebrate subphylum of the phylum Chordata. Also known as nepotism, fat ribbon, oil ribbon, toothed ribbon fish, etc., they are fierce in nature. Qingdao and Rizhao are cities along the Yellow Sea called _鱼. 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. It is ferocious in nature and feeds mainly on shrimps and squid.