In clinical practice, most sternal strains are caused by a direct external force on the patient. Patients with sternal strains will feel obvious pinprick-like pain at the injured area, with extensive local swelling, subcutaneous bruising, and positive local pressure pain. In the treatment of conservative treatment, first of all, the patient needs to rest in bed, in the sternal strain area, external application of ointment to activate blood circulation, reduce blood stasis, swelling and pain, with local physiotherapy instrument baking electricity, low and medium frequency electrotherapy, infrared therapy instrument treatment and other methods. Or instruct the patient to take oral bruises and blood-boosting drugs, which can cure the disease as soon as possible.