Sternum misalignment can present with symptoms such as spine pain, sound and chest tightness. 1. Spine and back pain: this is the most common symptom of sternal subluxation. Sternal subluxation caused by obvious trauma or physical labor, there will be obvious pain in the spine, back muscle tension, the patient dares not cough or sneeze; chronic strain caused by sternal subluxation, there will be pain and heaviness in the back, and the symptom will be aggravated when standing for a long time or bending over. 2. Sound: at the onset, some patients can hear the creaking sound of misalignment. 3. Chest tightness: in severe cases, it is manifested as pain and discomfort in the ribs, chest tightness, and feeling of pressure and congestion. If the above symptoms related to sternal dislocation occur, it is recommended to consult a doctor in time to minimize the adverse effects of the disease.