Automatic transformer room air exchange system of adjusting belongs to power transmission and transformation technique and automatic control engineering field, especially relates to a automatic transformer room air exchange system of adjusting. The utility model provides a can reduce the deposition of transformer room and the automatic transformer room air exchange system of adjusting of noise output. The utility model discloses a vertical shell body of setting in the passageway is taken a breath to the transformer room is provided with vertical interior casing in the vertical shell body, vertical interior casing passes vertical shell body upper end middle part hole, and vertical interior casing lower extreme is opened and is placed the interior lower part of vertical shell body in, in vertical casing upper portion outer wall with the downthehole wall be airtight connection in middle part.