After the marinated meat has been marinated for 4 to 5 days, the meat can be taken out and hung in a cool and ventilated place to dry. From October to November of the lunar calendar every year, the cold weather is sunny and the north wind is dry. It is the best time to dry and marinate raw meat. The temperature should be below 15℃ and the windy place is good. If the temperature continues to rise, , or the temperature is above 15℃, or the wind is very light, it is recommended to package it and put it in the refrigerator to freeze, and then take it out to continue to dry when the weather is suitable. If it is too dry, soak it in warm water before cooking.