1. Ulmus bark is the dry bark or root bark of the elm tree, a plant in the Ulmus family. It is widely distributed in various provinces and regions in North my country, Northeast China, Northwest China and Southwest China. It can be used as medicine. It is sweet in taste, cold in nature and non-toxic. It has the effects of calming the mind and strengthening the spleen, diuresis and treating stranguria, resolving phlegm and quenching thirst. It can treat neurasthenia, insomnia, loss of appetite, abnormal leucorrhea, difficulty in urination, physical weakness and edema.

2. External use can treat fractures, trauma, bleeding, and also has a certain effect on frequent burns and scalds.