Tumenguan Township is located in the southeast of Huangzhong County, bordering Zongzhai Town in the north, xin zhuang zhen in the west, Qunjia Township in the south and Tianjiazhai Town in the east, 28 kilometers away from the county government. Tumenguan Township is named after Tumenguan, a cultural relic with a long history. The average altitude is 2485 meters, the annual average temperature is 2.8℃, the annual average rainfall is 368 mm, and the frost-free period is 12 days. There are 19 administrative villages, 145 natural villages, 4,166 households and 17,688 people in the township. There are three ethnic groups: Han, Hui and Tibetan, and the Han nationality accounts for 96%. In 21, the per capita net income was 1,244 yuan, and the gross national product was 7.43 million yuan, of which the agricultural output value was 31.87 million yuan. The total cultivated land area is 54288 mu, which belongs to the semi-shallow mountain area of Bannaoshan. Crops are mainly rape, potato and wheat. Tumenguan is located in Ningdan (Xining to Danma) highway fortress, with convenient transportation and superior water, electricity and communication conditions.

bagou, shangshanzhuang and garuer villages have been built into excellent varieties bases of wheat, oilseed and potato, shangshanzhuang, garuer and bagoumen villages have become storage bases of out-of-season potatoes, and flowers, medicinal materials and out-of-season vegetables have gradually emerged. Forestry production in the township has completed 8,2 mu of returning farmland to forest (grass), 1,2 mu of barren hills, 42, trees planted around it, and 6,1 mu of afforestation has been completed. Wanggouer, Xianggou and Shiyaogou areas have become water conservation and ecological environment protection areas. The whole town has formed cattle and sheep fattening and trafficking bases mainly in Bagou, Bagoumen, Linma, Qingfeng, Jiaerzang and Shangakacun, and a team of cattle, sheep and donkey trafficking brokers has emerged. Cattle and sheep fattening bases in Shangaka, Garuer and Linma Village have formed a certain scale.

At present, the rural power network transformation of 19 administrative villages in the township has been completed; Newly built traffic bridges in Guanyue and Bagou villages; Rural roads such as Bagou, Wanggouer, Jiaerzang, Shangaka and Qiu Zi Gou have been completed, with a total length of 5.6 kilometers; The completion of the drinking water project for people and animals in Xiaonanchuan Xishan completely solved the drinking water problem for people and animals in 19 villages in the township. Eight villages, such as Yelong, Tumenguan, Hongling and Wanggouer, have opened program-controlled telephones, and mobile communication also covers the whole township.

There are large enterprises in China, Xidian Ferroalloy Factory, and private enterprises include Hougou Vinegar Factory, Bagou, Xiashanzhuang, Hougou, Wanggouer and Qingfeng carpet processing sites, and Nianba Red Brick Factory. Tumen Pass is located in Ningdan (Xining to Danma) highway fortress, with convenient transportation, superior water, electricity, communication and other conditions, and unique advantages in tourism. Especially, the Jarzang forest covers an area of 2, mu and is famous for its verdant trees, which has gradually become a resort for leisure, entertainment, vacation and summer vacation. There are 15 artists in Hongling Shadow Play Troupe, which is 28 kilometers away from Xining. The Shadow Play Troupe has a history of 3 years and has performed in New Zealand, Australia and other countries and inside and outside the province. It has a high cultural and artistic connotation and is gradually moving towards commercial operation. The construction of cultural tourism with characteristics of "June 6th" in Jiaerzang and "February 2nd" in Hongling and other tourist spots is developing rapidly.