An integrated high-precision weighing module, comprising a shell; an electromagnetic force sensor, mounted in the shell, with a bearing head of the electromagnetic force sensor that extends upward from an upper end portion of the shell; and a printed circuit board, mounted in the shell; wherein the shell having a bottom plate and a housing; the electromagnetic force sensor and the printed circuit board are mounted on the bottom plate, the housing, which is connected to the bottom plate, covers the exterior of the electromagnetic force sensor and the printed circuit board; and an upper end surface of the housing is provided with a through hole, through which the bearing head extends a weighing pan component, mounted on the bearing head; wherein the weighing pan component comprises a weighing pan support that is mounted on the bearing head, with a weighing pan mounted on the weighing pan support; a support ring that is sheathed over the bearing head and is located between the weighing pan component and the shell; and an air baffle ring, located on the support ring and disposed around the weighing pan component; wherein a first airflow channel is formed among the shell, the support ring, and the air baffle ring, such that at least a part of the airflow in the shell flows to the outside though the first airflow channel when the integrated high-precision weighing module is powered on; characterized in that the support ring comprises a support plate and a mounting portion that is disposed on the support plate; and the support ring is sheathed over the bearing head, in a clearance fit, by means of the mounting portion; wherein the support plate is provided with a plurality of air channel holes that surround the mounting portion and are in communication with the through hole, a protrusion that extends upward is arranged in a circle at a periphery of the air channel holes, such that a flow channel (a) is formed between the protrusion and the mounting portion; and wherein a lower portion of the air baffle ring is in clearance-fit with an upper portion of the support ring to form a first gap channel (b), and the first airflow channel is formed by the flow channel (a) being in communication with the first gap channel (b). a shell; an electromagnetic force sensor, mounted in the shell, with a bearing head of the electromagnetic force sensor that extends upward from an upper end portion of the shell; and a printed circuit board, mounted in the shell; wherein the shell having a bottom plate and a housing; the electromagnetic force sensor and the printed circuit board are mounted on the bottom plate, the housing, which is connected to the bottom plate, covers the exterior of the electromagnetic force sensor and the printed circuit board; and an upper end surface of the housing is provided with a through hole, through which the bearing head extends the electromagnetic force sensor and the printed circuit board are mounted on the bottom plate, the housing, which is connected to the bottom plate, covers the exterior of the electromagnetic force sensor and the printed circuit board; and an upper end surface of the housing is provided with a through hole, through which the bearing head extends a weighing pan component, mounted on the bearing head; wherein the weighing pan component comprises a weighing pan support that is mounted on the bearing head, with a weighing pan mounted on the weighing pan support; a support ring that is sheathed over the bearing head and is located between the weighing pan component and the shell; and an air baffle ring, located on the support ring and disposed around the weighing pan component; wherein a first airflow channel is formed among the shell, the support ring, and the air baffle ring, such that at least a part of the airflow in the shell flows to the outside though the first airflow channel when the integrated high-precision weighing module is powered on; characterized in that the support ring comprises a support plate and a mounting portion that is disposed on the support plate; and the support ring is sheathed over the bearing head, in a clearance fit, by means of the mounting portion; wherein the support plate is provided with a plurality of air channel holes that surround the mounting portion and are in communication with the through hole, a protrusion that extends upward is arranged in a circle at a periphery of the air channel holes, such that a flow channel (a) is formed between the protrusion and the mounting portion; and wherein a lower portion of the air baffle ring is in clearance-fit with an upper portion of the support ring to form a first gap channel (b), and the first airflow channel is formed by the flow channel (a) being in communication with the first gap channel (b).