The main tributary of Xunhe River.

Chen Qinghe: Located on the right bank of Xunhe River, it originated from Gaoweishan gully in Dedu County. The estuary is located at 127 18' E and 49 26' N, with a total length of 105 km and a total drainage area of 2067.2km2.. From the south of Zhongshan Village in Hongqi Township, it flows into Sunwu County from Dedu County, flows through Hongqi, Chen Qing, Qingxi and Xixing Township, and flows into Xunhe River 4 kilometers northwest of Santun Village in Xingbei Township. In China, the flow is 66 kilometers long and the drainage area is 1328 square kilometers. Its tributaries are Xing 'an River, Changqing River, Xixi River, Bubuqi River, Kashun River and Gulang River.

Woniu River: It originates at the foot of Shigu Mountain and Kuna Mountain in Heihe City, flows into Sunwu County from the northwest of Woniu River Township, flows through Woniu River Township, and joins Xunhe River at the south of Dongwo River Tun 1 km in Yaotun Township. In China, the flow length is 53. 1km, and the drainage area is 4 16km2. The tributary that flows into Woniu River originates from Heihe City and then flows into the Er River in the county. Woniu River is rich in resources, about 3 kilometers north of Dongwoniu River, along the coast. In the 1940s, the Japanese pioneering group built dams and dug canals to divert river water to plant paddy fields, and it also planted them in the 1950s and 1960s.

Maolan River (formerly known as Maolan River): Located on the right bank of Xunke River, it originated in the valley near Lixin Forest Farm in Xunke County. The estuary is located at east longitude127 48 ′ and north latitude 49 22 ′. The total length is 63 kilometers, and the total basin area is 1 126.9 square kilometers. This river is the boundary between Sunwu and Xunke counties. It flows through Fendou Village, Gaoshan Village and Yaotun Village in Sunwu County and flows into Xunhe River 2 kilometers south of Sibu Luozi Bridge. In China, the flow is 49.2 kilometers long and the drainage area is 420 square kilometers. Its tributaries include the Red Rust River, the Huduqi River and the Great Estimate River.

Zhanhe, formerly known as Chambila ("Chambila" is Manchu, "Chambila" is translated into Chinese as "rapids", and "Bila" is translated into Chinese as rivers, meaning rapids), is one of the largest inland rivers in Xunke County and the largest tributary of the Xunkebila River, which originated in the southeast of Xin 'e Township about115. From south to north, it flows through the whole territory of Xin 'e Township. From the source to the left bank of the estuary, nine main tributaries converge, including Kelaguqi River, Dajizhao River, Dawulan River, Dajilingku River, Mishima Xinniqi River, Toudao Xinniqi River, GeA Min River and Pula River, and on the right bank, six main tributaries converge, including Beizhan River, Usmon River, Gardaqi River, Dulu River, Wudaolin River and Jiuqinghe River. The estuary is located near Shuanghe Town, Xunhe Town, and flows into the Xunbila River. The total length of the river is about 250 kilometers, and the basin area is about 6770 square kilometers.

Dulu River: a tertiary tributary of the south bank of Heilongjiang. Located in the southwest of Xunke County. Originated in the northern slope of Xiaoxing 'anling, it flows northwest from the source and flows into zhanhe near Hekou Village in Xin 'e Township. Total length 1 12km, river width of 29m, water depth of 0.5m and drainage area of 1663km2.

Wudi River: a secondary tributary of the south bank of Heilongjiang. Located in the middle of Xunke County. Originated in the northern slope of Xiaoxing 'anling, it flows from south to north and joins Xunhe River near Xingya Village in Songshugou Township. The total length is 88 kilometers, the river is 20 meters wide, the water depth is 0.5 meters, and the drainage area is 98 1 square kilometer.

The Eyuer River originates from Daling Mountain and flows into Woniu River, a tributary of Xunhe River, at the mouth of Sunwu County, with a total length of 1 13km, a flow area of 22.5km, an average riverbed width of 25m, a water depth of 1.5m, an annual average flow of 5.04m3/s and an annual total runoff of 21. Most river basins are low-lying swamps.