Whether the broken nose will leave a scar is considered from the following aspects: a. It will not leave a scar: if the damage injures the superficial layer of the skin as well as the superficial layer of the dermis, it will not leave a scar at this time. Patients can apply compound cypress lotion cold wet compresses, comfrey oil and epidermal growth factor gel mixed topical. Second, it will leave scars: if the damage involves the deep dermis, then there can be skin scarring, at this time can be used externally baclofen silica gel, at the same time can be in the dermatology department for fractional laser treatment. If the trauma is large, and the depth involves the deeper layers of the dermis, and accompanied by a family history of scarring, the patient may also have a tendency to scar. Therefore, these are the reasons why whether or not a broken nose will leave a scar is closely related to the depth of the injury, as well as the size of the sore.