The river is named after Han Yu, a writer, poet and government official of the Tang dynasty, in honor of his contribution to Chaoshan.[4] It was originally named as E Xi (simplified Chinese: 恶溪; traditional Chinese: 惡溪; lit. 'ferocious river') before Han Yu's exile to Chaozhou. The river became pacific under Han's river regulation and named after him after his departure.[5]
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Map of Chenghai County in Ming dynasty, also indicates the delta and mouth of Han River.