Electronic device and assembling method thereof

The invention discloses an electronic device and an assembling method thereof. The electronic device comprises a bottom shell, an accommodating unit, an electromagnetic sensing module, a heat radiating component, an elastic clamp, a distributing board and an electronic part, wherein the accommodating unit is arranged on the bottom shell; at least one part of the electromagnetic sensing module is located in the accommodating unit; one surface of the distributing board faces the accommodating unit; the heat radiating component is arranged on the bottom shell and is separately arranged with the accommodating unit; the elastic clamp part is arranged on the heat radiating component; the electronic part comprises a main body and a pin; the pin is electrically connected to the distributing board; and the main body is clamped between the heat radiating component and the elastic clamp.