The invention is to provide a hydrogen sulfide slowly releasing dressing and a manufacturing method thereof. The hydrogen sulfide slowly releasing dressing comprises a hydrocolloid, a surfactant and sodium hydrosulfide.本發明係提供一種硫化氫緩釋敷料及其製造方法。本發明之硫化氫緩釋敷料包含一水膠體、一介面活性劑以及一硫氫化鈉。