The invention discloses a smart-household-equipment-based electric cabinet for early warning of electricity abnormality. The smart-household-equipment-based electric cabinet comprises a cabinet body;an opening is formed in one side of the cabinet body; two cross bars parallel to each other are fixedly installed on the inner wall of one side, far away from the opening, of the cabinet body; a sliding slot is formed in one side, approaching one side of the other cross bar, of each cross bar; sliding blocks are installed in the sliding slot in a sliding manner; and a same smart household equipment control unit is fixedly installed at one side, approaching one side of the other sliding block, of each sliding block. A cooling fan is arranged at one side, being close to the opening, of the smarthousehold equipment control unit; a connection mechanism is arranged between the cooling fan and the smart household equipment control unit; and moving blocks are fixedly installed at the upper sideand the lower side of the cooling fan. According to the smart-household-equipment-based electric cabinet, the same smart household equipment control unit is cooled effectively and the too high temperature inside the cabinet body can be warned effectively. Besides, the same smart household equipment control unit can be installed or dismounted quickly and conveniently; and damping is realized when the same smart household equipment control unit is in use.