Ghost arrow and ghost arrow feather are often confused because of their similar names. However, we can distinguish from the aspects of plant origin, plant morphology, medicinal properties, medicinal taste, indications and so on. Euonymus japonicus is a scrophulariaceae plant, also known as Euonymus japonicus, Euonymus japonicus and Euonymus japonicus. Most of them are produced in southern China, especially in Yunnan, Guangxi, Guangdong and other provinces, and grow in wilderness, hillside and sparse forest. Ghost arrow is an upright plant. They can be as short as 8 cm or as high as 50 cm. Ghost arrows are all bent with short hairs, and their stems are cylindrical, slender and rough, perhaps because of those short hairs. The seeds produced by ghost arrows are mostly triangular, oval or oval, with more or less spiral stripes. The flowering and fruiting period is usually from April to January in four years. The whole grass of Buxus macrophylla is black or dark brown, slightly covered with white hair, which is also the origin of its alias black bone grass. Its stem is hollow and leaflike. Roots ovoid or obovate. The smell is subtle and imperceptible. Ghost arrow is mostly used for influenza, heatstroke, abdominal pain, typhoid fever, epilepsy, dermatomyosarcoma and so on. The efficacy is to clear away heat and toxic materials, cool blood and stop bleeding.

Ghost arrow feather belongs to Euonymaceae, Euonymus is a deciduous shrub. Also known as Euonymus lanceolatus, Ghost Arrow, June Mausoleum, Four Fronts, Four Trees and Pheasant Stripes. The feather of the ghost arrow is much higher than that of the ghost arrow. Generally, the feather of a ghost arrow is one to three meters, while the height of a ghost arrow is only 50 cm. Buxus macrophylla seeds are oval, the seed coat is generally brown or light brown, the aril is orange-red, and the flowering period is May-June. Ghost arrow feathers are more widely distributed than ghost arrow feathers. Except Northeast China, Xinjiang, Tibet, Qinghai, Guangdong and Hainan, most other provinces grow in the marginal areas of hillside highlands. Ghost arrow feather is mainly used for breaking blood, dredging menstruation and killing insects. As a medicine, it is often used to treat dysmenorrhea, bosom friend pain, traumatic sprain, snake bite and other diseases. Although there are so many differences between ghost arrow and ghost arrow, one thing is the same, that is, neither can be used by pregnant women.