The invention discloses a unipolar double-suction clean water pump convenient to maintain. The unipolar double-suction clean water pump convenient to maintain comprises a base, a first flange plate and a stainless steel hose, wherein a rubber pad is attached to the lower portion of the base; a motor is installed on the right side of the upper portion of the base; the left side of the first flangeplate is connected with a connection pipe; the first flange plate is located on the left side of the motor; a pump body is disposed on the left side of the connection pipe; a second flange plate is disposed above a guide pipe; a water outlet is formed in the left side of the stainless steel hose, and the stainless steel hose is located on the left side of the pump body; an anti-corrosion layer isattached to the outer surface of the pump body; a damping spring is disposed inside a fixing block; a screw is installed on the surface of the top end of a spring seat; a mounting hole is formed in the surface of the top end of the second flange plate; and a water suction opening is formed above the mounting hole. The unipolar double-suction clean water pump convenient to maintain is simple in structure, convenient to assemble, high in surface strength and long in service life and can be connected with devices at hidden positions.