Moxibustion should not be chosen immediately after knee trauma, because knee trauma will be accompanied by local bleeding within 2 weeks, in addition to soft tissue edema and swelling, if you choose moxibustion treatment, it may lead to increased local bleeding, aggravate the soft tissue edema and swelling. Therefore, if you choose moxibustion as a treatment for trauma patients, it may lead to more swelling and pain in the affected limb. If you choose moxibustion for treatment, choose 2 weeks after the trauma targeted treatment, because 2 weeks after the trauma, is the stage of repair of soft tissue injury, through moxibustion of the affected area can promote the absorption of local bruising, thereby relieving the patient’s swelling and pain, in addition to warm stimulation, can improve the local blood flow, but also to promote the repair of soft tissue injury.