The invention discloses an excessive electric heating self-extinguishing lamp which comprises a storage card and a mold-permeating grease exterior; a pointer is connected with the right end of the storage card; the lower surface of the pointer is connected with the upper end of a countercurrent handle; the lower end of the countercurrent handle is connected with a current tower; the left end of the storage card is blocked in a blocking slot above the storage card; an indicating handle is connected with the lower surface above the storage card; the lower end of the indicating handle is insertedinto a sealing template; two current racks are arranged on the lower end of the sealing template; an original wedge head is arranged above the storage card, so that the problem of connection error can be reduced and assembling is more convenient; the sealing template and the heating electric panel are additionally arranged, so that the heating electric panel can stretch under heating state when aheavy current is generated by the lamp, power-off protection of illumination can be realized and self-protection of illumination lamp can be realized.