With the continuous improvement of people's quality of life, food safety has become a hot topic of concern. Meat food safety accidents such as “ mixed meat ” , “ water injection ” and “ harmful bacteria exceeding the standard ” have caused people to pay close attention to the safety of meat food. Meat quality safety indicators Traditional detection methods have complex detection processes, long detection time, low efficiency, and damage to samples. In particular, it is impossible to carry out on-site real-time testing, which cannot meet the requirements of rapid development of pork production and supply side economic reform and development. The rapid nondestructive testing method of modern meat food can effectively avoid the above problems of the traditional detection method.