Introduction to the intangible cultural heritage demonstration area: Laoqiang is a very ancient Han opera performance form in Shaanxi Province. It has been widely circulated in Huayin for a long time. It is divided into two types of operas, Laoqiang and Shiqiang. The performance method is roughly the same as that of the whole country. First, the stage is set up and the "liangzi" is propped up, and then with the help of lights, bamboo sticks are used to provoke the characters carved out of leather to perform on the stage. The old tune that has been passed down for thousands of years is one of the first batch of national intangible heritage protection projects in China.