The invention discloses an external medicine for treating joint pain. The external medicine is prepared from the following raw materials in parts by weight: 60g of rheum officinale, 30g of as arum, 30g of semen momordicae, 30g of lycopodiastrum casuarinoides, 30g of pseudo-ginseng, 30g of tetrastigma yunnanense, 50g of dried deer's sinew, 30g of crocus sativus, 30g of ligusticum, 21g of peach kernels, 21g of falsehellebore root and rhizome, 30g of stems of champion bauhinia, 21g of leaf of delavay neocinnamomum, 30g of roots of yunnan tylophora, 30g of justicia ventricosa, 30g of tripterospermum volubile, 30g of caulis sinomenii, 30g of crab shells, 24g of radix angelicae tuhuo, 21g of radix aconiti agrestis, 30g of Chinese honeylocust fruit, 60g of pangolin scales, 21g of rhizoma cyperi, 24g of notopterygium roots, 36g of angelica sinensis, 24g of ephedra, 24g of saposhnikovia divaricata, 30g of monkshood, 30g of frankincense, 30g of myrrh, 24g of celastrus orbiculatus, 24g of hypericum attenuatum, 30g of corydalis amabilis, 30g of homalomena occulta, 24g of schizophragma integrifolium, 30g of elderberry, 30g of toricellia angulata, 60g of dragon's blood, 120g of centipede, 30g of dried buthus martensii and 30g of dried deinagkistrodon.