The duck can be dried after being marinated for about 7 days. After the duck is slaughtered, trimmed, and internal organs removed from the abdomen and abdomen, the wing tips and feet are cut off, the blood stains are washed away, and the water attached to the surface is dried. Then, 10% of the salt is used to rub the inside and outside of the duck belly. Then it is placed in a jar and pressed with heavy stones. , it takes about 7 days to marinate. When the temperature is high, the time can be shortened. During the pickling period, it is necessary to turn it up and down 1 to 2 times. At the same time, add salt to the abdominal cavity and neck part, or if there are any deficiencies. After pickling, first dry it in the sun for 3 to 5 days. After it is properly dry, move it to a ventilated place to air dry. .