The utility model discloses a transformer substation's roofing funnel cover comprises funnel cover main part, funnel cover main part is the round platform form that the level set up, and the diameter of going up the bottom surface is greater than the diameter of bottom surface down, go up a plurality of round holes of bottom surface evenly distributed, and the bottom surface is equipped with the opening down, the side evenly distributed wash port of funnel cover main part. Compared with the prior art, the utility model provides a transformer substation's roofing funnel cover sets up the round hole in last bottom surface, has both reached the function of drainage, can prevent again that debris from getting into in the funnel, special shape design enables the debris gathering and around the funnel, easily collects and clear up debris and rubbish.