The word Hakka appeared in the Qing Dynasty. Hakka is the Han nationality in Guangdong, Fujian, Jiangxi and other provinces in southern China, and is one of the most widely distributed and far-reaching ethnic groups in the world. It originated in Rongbaiyue period in Lingnan, Qin Zheng, and experienced Wei, Jin, Southern and Northern Dynasties, Tang and Song Dynasties. Due to the war and other reasons, it gradually went to Jiangnan, and then to Fujian, Guangdong and Jiangxi. Hakkas are called "Oriental Jews" because they travel around the world, emigrate to the world, and there are many successful people in overseas business circles.