Sealing structure and sealing method for LED driving power supply

The invention relates to an LED driving power supply sealing structure and a sealing method, the structure comprises a bottom shell and a surface cover, the surface cover is provided with a square frame, the upper end of the outer side surface of the square frame is provided with an annular step, the lower end of the outer side surface of the square frame is provided with a first wire passing groove, and the annular step is sleeved with a first sealing ring; the upper end of the square frame is provided with an extrusion frame and a groove, the groove is communicated with the annular step, the lower end of the groove is provided with an open groove correspondingly communicated with the containing groove, the outer side surface of the extrusion frame is provided with an extrusion protruding ring, two sheet-shaped supporting feet are formed at the lower end of the extrusion frame, and the sheet-shaped supporting feet are provided with second wire passing grooves, annular buckles and elastic pieces. The lower en