《梦溪笔谈》作者沈括,是我国历史上的大科学家,也是北宋皇朝因利用档案而顺利完成一次重要外交任务的政治家。沈括在朝当官时,宋、辽曾为河东黄嵬(今山西原平县西北部)的归属发生争议。辽朝派大臣肖禧到北宋谈判,因相持不下,肖禧干脆留在宾馆长住,并说,一定要请得此地后,方才归国,口气十分强硬。神宗皇帝又派沈括去谈判。沈括知道责任重大,就先到枢密院查阅档案文件,发现以前两方曾签订疆界议定书,是以古长城为界,而黄嵬一 Shen Kuo, author of Meng Xi Bi Tan, is a great scientist in the history of our country and a politician who successfully completed an important diplomatic task for the use of archives in the Northern Song Dynasty. Shen Kuo in the North Korea when the government, Song, Liao had Hedong Huangpi (now Shanxi Yuanping County northwest) attribution dispute. Xiao Xi, Minister of the Liao Dynasty, came to negotiate with the Northern Song Dynasty. Because of its stasis, Xiao Xi simply stayed in the hotel for a long time and said that he must return here after returning to the country and the tone is very tough. Shenzong emperor sent Shen Ku to negotiate. Shen Kuo heavy responsibility to know the Privy Council first access to archives and found that the two sides have signed a protocol before the border is the ancient Great Wall as the boundary,