Zhenba bacon has a history of thousands of years. According to historical records, more than 2,000 years ago, Zhang Lu claimed that King Hanning was defeated, and when he went south to Bazhong, the locals gave him bacon. During the Three Kingdoms period, Zhang Fei of Shu Han fought in Zhenba, and he had to eat a bacon leg for every meal. In the 26th year of Guangxu in Qing Dynasty, Empress Dowager Cixi and Emperor Guangxu took refuge in xi 'an, and local officials in southern Shaanxi presented Zhenba bacon as a tribute, which was called Gongla Imperial Diet. In order to protect and develop Zhenba bacon, a unique delicacy, Zhenba County People's Government actively carried out the work of origin protection and trademark registration. On February 20 10, Zhenba bacon was protected by the geographical indication products of AQSIQ, and was successfully registered as a geographical indication certification trademark in the State Administration for Industry and Commerce on February 20 13. 20 10- 12, Zhenba bacon was protected by geographical indication products of AQSIQ. 20 13 12 was successfully registered as a geographical indication certification trademark in the State Administration for Industry and Commerce.