Chest scars, or keloid scars, are mostly secondary to skin trauma, but may also form spontaneously, and can be removed with the help of medication, cryotherapy, and surgery. 1. Drug treatment: patients with chest keloid can take Trinitra under the guidance of the doctor for treatment, the drug can inhibit fibroblasts and thus treat keloid. Patients can also use silicone gel, tretinoin and betamethasone as prescribed by the doctor. 2. Cryotherapy: If the patient’s chest keloid is small, you can try to carry out keloid cryotherapy, which can inhibit fibroblasts through low temperature and achieve the purpose of fading keloid. 3. Surgery: If the keloid is large, surgery can be performed, and common surgical modalities include surgical excision, skin grafting and skin flap transplantation, etc. After surgery, combined radiotherapy or localized radiotherapy is required. After surgery, combined with radiotherapy or local injection treatment to avoid recurrence. People with keloids on the chest should avoid trauma, and if treatment is needed, it is recommended to go to a regular hospital and follow the doctor’s instructions.