When fracture is applied externally with Chinese herbs, the formula needs to be selected according to the specific time of the fracture. If it is the acute phase of fracture, that is, within 2 weeks, the main herbal medicine is to invigorate blood circulation, reduce swelling and pain, and soothe the meridians and meridians, such as Xanthium, Turbinate, Chicken’s blood vine, Piece of ginger yellow, Sumac, Weilingxian, Peach kernel and Safflower, all of which can play a good role in increasing blood circulation, reducing local inflammatory edema, promoting the metabolism of inflammatory metabolites, and helping to relieve the pain. In the period of 2-6 weeks is the time of bone growth, it is better to apply the medicine of tendon renewal and bone joining, such as bone crushing tonic, earth element, cow’s knee and dulcimer, these drugs can promote the fracture broken end to recover as soon as possible. In the third stage, which is about 6 weeks to 3 months, it belongs to the recovery period, mainly to nourish the liver and kidneys, and the commonly used drugs are Eucommia, Radix et Rhizoma, Bupleurum and Cistanches, which can play the role of nourishing the liver and kidneys and promote better healing of the fracture.