The invention relates to an ointment for nursing, and in particular relates to an ointment for treating bedsore, which is prepared from the following raw medicinal materials in parts by weight: 40-60 parts of radix lithospermi, 40-60 parts of oriental buckthorn root, 20-40 parts of prepared rehmannia root, 20-40 parts of acorus calamus, 20-40 parts of radix aconiti agrestis and 40-60 parts of seal oil. The preparation method comprises the following steps of: weighing the radix lithospermi, oriental buckthorn root, prepared rehmannia root, acorus calamus and radix aconiti agrestis, mixing, adding into water with the weight 4-6 times of that of the mixture, decocting into liquid medicine, and concentrating into the liquid medicine with the relative density of 1.2-1.5; adding the seal oil into liquid medicine, evenly mixing, and decocting into a thick liquid. The invention has beneficial effects: the ointment has effects on activating blood circulation and dispelling the blood stasis, eliminating necrotic tissues and promoting granulation and stopping pain, and is effective in treating bedsore, thus being fast in taking effect; and the raw materials are cheap and easily available due to fewer types, the preparation method is simple and easy to operate, so that the ointment is suitable for promotion in various large, medium and small hospitals.