Weitou dialect is the dialect of the indigenous inhabitants of the New Territories in Hong Kong, which belongs to Cantonese Wanbao dialect, belongs to Cantonese with Dongguan dialect and Guangzhou dialect, is closer to Dongguan dialect, and can also be roughly connected with Guangzhou dialect.

During the reign of Qianlong and Jiaqing in Qing Dynasty, Hakkas moved in and settled on the land originally belonging to the aborigines in Weitou. Because of the different languages and customs, Wai Tou and Hakkas conflict with each other, and the interests of land distribution lead to the struggle between the two sides. One side refers to Wai Tou and the other refers to Hakkas. Weitou people and Hakkas each built Weicun for both sides to fight.