Yunnan Baiyao Powder is mainly used to stop bleeding, can not directly promote wound growth and healing. Yunnan Baiyao powder is mainly used for bruises, soft tissue contusions, etc., can effectively relieve the bleeding phenomenon of the damaged wound area, play the role of hemostasis, but can not promote wound growth and healing. Wound healing needs to go through the local capillary congestion, proliferation after the generation of new granulation tissue, followed by the gradual emergence of fibroblast proliferation and granulation tissue degradation to form scar tissue, thus gradually healing. Before using Yunnan Baiyao powder, be sure to disinfect the wound with iodophor disinfectant first to avoid wound infection. In addition, it should be noted that Yunnan Baiyao powder can have allergic reactions, allergic people should be cautious, pregnant women are prohibited. The drug should be applied under the guidance of a doctor.