This invention relates to a biodegradable implant including magnesium, wherein the magnesium contains, as impurities, manganese (Mn)； and one selected from the group consisting of iron (Fe), nickel (Ni) and mixtures of iron (Fe) and nickel (Ni), wherein an amount of the impurities is 1 part by weight or less but exceeding 0 parts by weight based on 100 parts by weight of the magnesium and weight ratio of the impurities satisfies the following condition: 0 <； Manganese Mn One selected from the group consisting of iron Fe , nickel Ni and mixtures of iron Fe and nickel Ni ‰¤ 5 , and to a method of manufacturing the same.
