Yanzi Chunqiu records: "Those born in Huainan are oranges, and those born in Huaibei are oranges." This peculiar characteristic of citrus is a great pity, but he loves it deeply. According to Qu Yuan, a native of China, this nature of "being born in the south" can be linked with his unswerving patriotism. Therefore, when he was left out in the cold, he took the tangerine peel in the south as an example and wrote a famous poem "Ode to an Orange" with deep affection.