Aladar Spit Sumu, belonging to Zalait Banner of Xing'an League, Inner Mongolia Autonomous Region, is located in the northwestern part of Zalait Banner, neighboring Bayan Ulan Sumu in the east, Huler Town in the south, bordering with Kerqin Right-Wing Front Banner in the west, and connecting with Zalantun City of Hulunbeier City in the north. The area of Aladar Tumu is 960 square kilometers, and as of the end of 2018, the household population had 13,072 people.
At the time of land reform, it was Bayan Tuhai Gacha; in 1956, it was changed to Aladar Spit Township; in 1961, Aladar Spit Commune was established; in 1984, it was changed to Aladar Spit Sumu; in 2005, it was merged into Hu'erle Township; in 2011, it was separated from Hu'erle Township and restored to Aladar Spit Sumu. As of June 2020, Aladar Spit Sumu under the jurisdiction of 1 neighborhood committee, 8 gacha.
In 2017, the number of enterprises in Aladar Spit Sumu totaled 8, and the number of people employed in enterprises was 46; in 2018, there were 12 general stores or supermarkets with a business area of 50 square meters or more in Aladar Spit Sumu.