A native of Dongying, Shandong. Shi Jiajia, born in November 1988, is a member of the Communist Party of China and a native of Dongying, Shandong Province. He has a master's degree in education. He graduated from Jiangnan University in 2015 with a master's degree in education. Teacher Shi Jiajia, lecturer of economic law at Sier Education, explained in the last open class on tax law that she needed to go home to recuperate due to physical reasons, and has handed over the course to another professional teacher. Sier Education’s excellent teaching quality has been praised by many students. praise.