The invention relates to a pressure relief patch, which mainly comprises a patch and a copper strip. One side of the patch is provided with an adhesive layer, while the copper strip is attached to the adhesive layer, wherein the copper strip comprises a main body and a plurality of refraction curves formed around the main body. The refraction curves define a plurality of connected refraction surfaces, and each refraction surface on each refraction curve part can refract and combine the electromagnetic waves generated by the human body. It can reduce the absorption of electromagnetic wave and increase the immune system of human body, especially improve the soreness of the attachment.本創作一種紓壓貼片,主要包括貼片及銅片,貼片其中一面設置一黏著層,而銅片則貼付於黏著層上,其中銅片包含一主體及複數形成於該主體周圍之折射曲部,該折射曲部界定複數相連之折射面,藉由每一個折射曲部上的各折射面能將人體所產生的電磁波折射並降低人體對電磁波的吸收,進而增加人體之免疫系統,尤其可改善貼附處的酸痛感。