Ximeng Wa Autonomous County (Ximeng County) is subordinate to Pu'er City, Yunnan Province, located in the southwest of Yunnan Province, in the Awa Mountain area in the west of Simao City, spanning between 99 ° 18 ′ E and 99 ° 43 ′ E and 22 ° 25 ′ N and 22 ° 57 ′ N. It borders Lancang Lahu Autonomous County in the east, northeast and southeast, Menglian Dai Lahu and Wa Autonomous County in the south, and the Republic of Myanmar in the west and northwest, with a border of 89.33 kilometers, The county seat is 864 kilometers from the provincial capital Kunming, 293 kilometers from Simao, 40 kilometers from the east to the west, 60 kilometers from the north to the south, with a total area of 1353.57 square kilometers. It has jurisdiction over 5 towns and 2 townships, and the county people's government is located at No. 1, Mengka Road, Mengsuo Town. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of the Wa Autonomous County in Ximeng was 87291.

The grain crops in Ximeng Wa Autonomous County are mainly rice, upland rice and corn, and the main cash crops are tea, coffee, sugar cane, rice buckwheat, etc; The industry has formed an industrial system dominated by hydropower generation, mining and smelting, building materials and agricultural and sideline products processing; Tourist attractions include Mengsuo Longtan, Muyiji Shengu, etc.

On September 25, 2018, it was awarded the honorary title of "2018 Comprehensive Demonstration County of E-commerce in Rural Areas" by the Ministry of Commerce. On April 30, 2019, the People's Government of Yunnan Province decided to withdraw Ximeng Wa Autonomous County from the poverty county sequence. The list of winners of the National Poverty Alleviation Award in 2019 was announced, and the Wa Autonomous County of Ximeng won the Organization Innovation Award.

In 2020, the total output value of Ximeng Wa Autonomous County reached 2602.5 million yuan, up 6.1% year on year, ranking first in the city. Among them, the added value of the primary industry was 512.01 million yuan, up 6.1% year on year; The added value of the secondary industry was 47.206 million yuan, up 10.4% year on year; The added value of the tertiary industry was 1618.43 million yuan, up 4.8% year on year. The proportion of the three industries is 19.7:18.1:62.6. The economic growth was driven by 1, 2.1 and 3 percentage points respectively.