In September 2020, Nepalese media reported that a border column was missing in Nepal`s Humla district and that China had built 11 buildings 2 kilometres inside Nepal`s territory. When Nepal`s district chief inspected the site on the basis of residents` concerns, Chinese security officials heard him say that the buildings were on Chinese territory, which stretches one kilometre south of where the buildings are located.   The Sino-Nepal Peace and Friendship Treaty was a formal agreement between the governments of Nepal and China, signed on 28 April 1960, which ratified a previous border agreement separating neighbouring states. Gerry Van Tronder argued that the document was part of an attempt to preserve the image that Beijing was a „powerful but essentially benevolent leader in Asia“ after the 1959 Tibetan Uprising.  Contemporary Nepalese commentators, Chinese and Indians stressed the importance of the treaty in determining Nepal`s relations with China in the past and present. In accordance with the treaty, the border areas have been adapted to both countries, depending on traditional use, ownership and comfort. This adaptation was made on the basis of „give-and-take“ and the inclusion of some pastures on Nepalese territory. With this principle, Nepal had given 1,836.25 square kilometres of land to China, and Nepal had taken away 2,139.00 square kilometers, transporting 302.75 square kilometers of Chinese territory to Nepal. [i] It is a kind of last border between Nepal and China. Nepal and Tibet signed a trade agreement on 5 September 1775 to strengthen border relations in Khasa. The agreement also stated that the border would remain unchanged.
Under The government of Bahadur Shah, he sent a strong message expressing his displeasure with the trade agreement and, in the summer of 1778, Nepal sent troops to attack Tibet. With this attack, the ingenious relationship between the two neighbors deteriorated. Tibet often used China`s military aid to push Nepal backwards, but when Tibet came to understand that Nepal had succeeded in most areas (such as Khasa and Kuti), it insisted that border talks take place. That is why, on 24 March 1856, the Treaty of Thapathali or the Nepal-Tibet Peace Treaty was signed, which secured the final settlement of Nepal`s border with Tibet in Northern Iraq. The common teams came close and built columns and marks, the serial numbers 1 to 79 fixed from west to east. Among them were 48 larger columns and 31 smaller ones. In addition, they had built 20 displaced columns in which, due to natural circumstances, there were opportunities for the main columns to disappear, so that the total number of pillars and markings built reached 99.