According to the pumping test, the unit water inflow is 0.076 ~ 1.531 l (s.m), and according to the regulations on prevention and control of water in coal mines, the water content is medium ~ strong. The salinity is 1.32~2.605gl, the water temperature is 19 ~ 32℃, the water quality is mostly Cl-Na, a small amount is Cl·SO4-Na type