The invention discloses a production method of a steamed stuffed bun containing cream, pumpkin and purple sweet potato, and belongs to the technical field of pumpkin and purple sweet potato deep processing. The invention employs a raw material of purple sweet potato as a stuffing, which is added with sugar and margarine, and wrapped into a pumpkin wrapper to produce the steamed stuffed bun. The obtained product has golden and smooth appearance, moderate wrapper thickness, pure aroma, soft stuffing, moderate sweetness, and unique flavor. According to the invention, the pumpkin is prepared intothe wrapper, and purple sweet potato is prepared into the stuffing; reprocessing on the pumpkin and the purple sweet potato increases the added value thereof; and the production of the steamed stuffed bun also facilitates industrialized production of coarse cereal staple. Therefore, the invention has great application prospects.