Tongxin Village is an administrative village under the jurisdiction of Honghe Town, Li County, Longnan City, Gansu Province, with an urban and rural classification code of 121 for the town center area. The zoning code is 621226107202, and the first 6 digits of the resident's identity card number is 621226. The postal code is 746000, the long-distance telephone area code is 0939, and the license plate number is GAN K. Tongxin Village is adjacent to Honghe Village, Xiaogao Village, Cao Tan Village, Huojia Village, Bailian Village, Huashi Village, Caizigou Village, Shangyang Village, Wujiagou Village, Shigou Village, Shizui Village, Qinglong Village, and Caoba Village.
There are tourist attractions such as Gansu Qin Culture Museum, Qishan Wuhou Ancestral Hall, Xiangshan Nature Reserve, Qin Gong Mausoleum, and Tiegong Mountain near the concentric village, and there are specialties such as Lixian apples, Lixian rhubarb, goat maw vegetables, eight pan pears, and wine persimmons.