The instant disclosure provides an impregnation apparatus for impregnating a material in a combined medicament. The impregnation apparatus includes a delivery device, a dispensing device, a transmission device, a scraper device, and an impregnation execution device. The combined medicament is poured into a receiving unit by the dispensing device. The scraper device includes a scraper moving unit and a scraper structure arranged on the scraper moving unit. The scraper moving unit drives the scraper structure, leveling the combined medicament in the receiving unit. The impregnation execution device includes a carrying unit and a carrier moving unit. The material is disposed in the carrying unit and is impregnated into the receiving unit carrying the combined medicament by moving the carrying unit. The instant disclosure further provides an impregnation method.