1, individual difference: everyone's personality and personality are different, and different individuals will have different reactions to the same situation. Therefore, Nanyang people will also have good temper and bad temper.

2. Cultural factors: Nanyang culture has a long history, and Nanyang people are mostly influenced by traditional culture, emphasizing politeness and humility. However, an individual's temper does not depend entirely on the local culture, but also on his family education and character building.