1, Hakka is the only ethnic group that is not named after the region, and it is one of the ethnic groups with wide distribution and far-reaching influence in the world. The name Hakka originated from the guest-giving system in the Eastern Jin, Southern and Northern Dynasties and the customer system in the Tang and Song Dynasties.

2. Immigrants and naturalized people are all incorporated into Hakka, and Hakka people are called Hakka. Hakka ancestors began in the period of Qin Zheng Lingnan's integration with Baiyue, and the Han people who moved southward gradually in the Song Dynasty formed a Hakka clan on the Sanjiang Plain, which was impacted by Ganjiang River, Tingjiang River and Meijiang River, and developed into the main Hakka settlements such as Ganzhou, Tingzhou (now belonging to Longyan and Sanming), Meizhou, Heyuan, Huizhou, Shaoguan and Shenzhen.