An intelligent infusion pump, comprising: a housing; a control circuit board mounted in a lower part of the interior of the housing; an input and display device mounted at a side of the housing; and a support base mounted on an upper portion of a front surface of the housing and configured to support a dropping bottle; the interior of the housing is further provided with an infusion flow control mechanism and a power supply device, and an infrared detection head is mounted on the front surface of the housing and placed under the support base; and the control circuit board is electrically connected with the input and display device, the motor pump assembly, the air pressure sensor, the infusion flow control mechanism, the infrared detection head, and the power supply device; characterized in that a back of the housing is provided with an air cleaning device, an air inlet of the air cleaning device is arranged outwardly, and an air outlet of the air cleaning device is arranged inwardly and communicates with an air inlet of an air pump of a motor pump assembly; an air outlet of the air pump of the motor pump assembly is connected with a seal joint mounted on the front surface of the housing via an air pipe with an air check valve, and an air pressure sensor is mounted on an air pipe connected between the air check valve and the seal joint of the housing; the infusion flow control mechanism includes a micro motor electrically connected with the control circuit board, a reciprocating movement mechanism and a limit switch connected with the micro motor, and a back plate placed in a movement direction of the reciprocating movement mechanism. a housing; a control circuit board mounted in a lower part of the interior of the housing; an input and display device mounted at a side of the housing; and a support base mounted on an upper portion of a front surface of the housing and configured to support a dropping bottle; the interior of the housing is further provided with an infusion flow control mechanism and a power supply device, and an infrared detection head is mounted on the front surface of the housing and placed under the support base; and the control circuit board is electrically connected with the input and display device, the motor pump assembly, the air pressure sensor, the infusion flow control mechanism, the infrared detection head, and the power supply device; characterized in that a back of the housing is provided with an air cleaning device, an air inlet of the air cleaning device is arranged outwardly, and an air outlet of the air cleaning device is arranged inwardly and communicates with an air inlet of an air pump of a motor pump assembly; an air outlet of the air pump of the motor pump assembly is connected with a seal joint mounted on the front surface of the housing via an air pipe with an air check valve, and an air pressure sensor is mounted on an air pipe connected between the air check valve and the seal joint of the housing; the infusion flow control mechanism includes a micro motor electrically connected with the control circuit board, a reciprocating movement mechanism and a limit switch connected with the micro motor, and a back plate placed in a movement direction of the reciprocating movement mechanism.