The present invention relates to an auxiliary healing device for skin wounds, in particular to an auxiliary healing device for skin wounds in the medical field. The present invention cleans the wound in a timely manner, removes the skin incision dead space, prevents skin infection, prevents skin abduction and warping, and keeps the skin smooth and well-balanced during growth and healing Provided is an auxiliary healing device for skin wounds that can be facilitated. An auxiliary healing device for a skin wound includes a sealing membrane, a drainage tube, a base strap, a sealed end, and an elastic top cover. The sealed cavity can effectively isolate the skin wound from the external environment and keep the skin wound clean. In this way, a negative pressure environment is formed inside the sealed cavity. Also, the skin does not abduct or warp and always remains smooth and well-balanced during growth and healing. [Selection] Figure 1
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