The utility model relates to a building trade building construction technical field, concretely relates to cable conductor groove is used temporarily in construction, including a plurality of cell bodies and with a plurality of cappings of cell body complex, every cell body and capping form to be placed interim stereoplasm with the cable conductor and holds the cavity, linear connection mutually between the cell body, linearity connection mutually between the capping, cell body and capping are semi -enclosed rectangular type. Construction convenience directly places on construction ground, be not afraid of and trample, and reuse, material saving can be reclaimd to the material.