1. word-of-mouth: The teaching content of teachers in Qiletang chess and card training service department in Jiangcheng District of Yangjiang City is vivid, which is deeply loved by students and has a high word-of-mouth value, while other chess and card training modes in Yangjiang City are more traditional and have a poor word-of-mouth.

2. Class atmosphere: The teachers of Qiletang Chess Training Service Department in Jiangcheng District of Yangjiang City are good at interacting with students, which greatly arouses students' enthusiasm, while other chess training teaching modes in Yangjiang City are single and the class atmosphere is relatively poor, so Qiletang Chess Training Service Department in Jiangcheng District of Yangjiang City is good.