A weigh module, comprising: a load cell; a supporting member comprising a receiving hole with a first receiving space and a second receiving space connecting with the first receiving space, the receiving hole extending vertically and through the supporting member; and a guiding arrangement comprising a connecting member and two parallel inner faces (611, 612) defined in the receiving hole, wherein the connecting member comprises a limiting end extending from the first receiving space into the second receiving space, a fixing end fixed to the load cell and a connecting part connecting the limiting end to the fixing end thereby one end of the connecting member is fixed to the load cell and another end of the connecting member is extending into the receiving hole, wherein the limiting end is configured as an end stop in such a way that the supporting member is limited to move in the vertical direction, wherein the connecting member cooperating with the limiting end in point contact with each of the two parallel inner faces (611, 612) whereby the supporting member is guided and can move in a direction parallel with the inner faces (611, 612). a load cell; a supporting member comprising a receiving hole with a first receiving space and a second receiving space connecting with the first receiving space, the receiving hole extending vertically and through the supporting member; and a first receiving space and a second receiving space connecting with the first receiving space, the receiving hole extending vertically and through the supporting member; and a guiding arrangement comprising a connecting member and two parallel inner faces (611, 612) defined in the receiving hole, wherein the connecting member comprises a limiting end extending from the first receiving space into the second receiving space, a fixing end fixed to the load cell and a connecting part connecting the limiting end to the fixing end thereby one end of the connecting member is fixed to the load cell and another end of the connecting member is extending into the receiving hole, wherein the limiting end is configured as an end stop in such a way that the supporting member is limited to move in the vertical direction, wherein the connecting member cooperating with the limiting end in point contact with each of the two parallel inner faces (611, 612) whereby the supporting member is guided and can move in a direction parallel with the inner faces (611, 612). a connecting member and two parallel inner faces (611, 612) defined in the receiving hole, wherein the connecting member comprises a limiting end extending from the first receiving space into the second receiving space, a fixing end fixed to the load cell and a connecting part connecting the limiting end to the fixing end thereby one end of the connecting member is fixed to the load cell and another end of the connecting member is extending into the receiving hole, wherein the limiting end is configured as an end stop in such a way that the supporting member is limited to move in the vertical direction, a limiting end extending from the first receiving space into the second receiving space, a fixing end fixed to the load cell and a connecting part connecting the limiting end to the fixing end thereby one end of the connecting member is fixed to the load cell and another end of the connecting member is extending into the receiving hole, wherein the limiting end is configured as an end stop in such a way that the supporting member is limited to move in the vertical direction, wherein the connecting member cooperating with the limiting end in point contact with each of the two parallel inner faces (611, 612) whereby the supporting member is guided and can move in a direction parallel with the inner faces (611, 612).