故剑情深的典故出自《汉书》,讲的是汉宣帝刘询的故事。刘询是汉武帝的曾孙,因为政变流落民间市井,娶了一个叫许平君的女子为妻(也就是后来的许皇后)。在刘询19岁时被霍光扶上皇位,当时霍光一心想把自己的女儿霍成君嫁给刘询做皇后,但是当时的刘询却在这时候下了一道莫名 Therefore, the story of the sword love from the “Han”, tells the story of Han Xuan Liu Liu inquiry. Liu Qun was a great-grandson of Emperor Wu of the Han Dynasty, for the coup dwindled into the civilian market and married a woman named Xu Pingjun (later Queen Xu). At the age of 19, Liu was summoned to the throne by Huoguang. At that time Huoguang bent on marrying his daughter Huo Chengjun to Liu as a queen, but at the time, Liu was under an inexplicable name