1, solid teaching knowledge. Teacher Song Bing of Xi 'an Danqing Easy Entrance Examination Chang 'an Campus has a solid teaching foundation and can find students' shortcomings and correct them at any time.

2. The teaching style is changeable. Xi An Dan Qing Yi Kao Chang 'an Campus Teacher Song Bing's teaching style is changeable, which makes the course atmosphere good and enables students with weak foundation to improve their personal achievements quickly.