The invention belongs to the field of traditional Chinese medicines, and discloses massage medicinal oil for relieving back myofascitis and a preparation method thereof. The massage medicinal oil is prepared from the following active ingredients: Ningpo yam rhizome, root of Kwangsi schefflera, common clubmoss herb, all grass of serrulate clearweed, marsdenia sinensis, axillary choerospondias fruit, turtle shell, cornu cervi pantotrichum, Szechuan lovage rhizome, Himalayan teasel root, common jasminorange, balsamiferou blumea herb, root of doubleteeth pubescent angelica, prince's-feather herb, dahurian angelica root, lunate peltate sundew herb, safflower, myrrh, forbes wildginger herb, prepared common monkshood daughter root, combined spicebush root, honey-wax, olive oil, coconut oil, galam butter, laurocapram, chamomile essential oil and jasmine essential oil. The massage medicinal oil disclosed by the invention is mild in medicine property and fresh in smell, has the effects of relaxing and activating tendons, promoting flow of qi and blood circulation, softening and resolving hard masses, dispelling wind and dampness, and dispelling cold to relieve pain, and can repair damaged fascia, clear blood stasis and relieve muscle spasm, thereby greatly relieving or even cure back myofascitis from outside.