Left chest pain will appear chest boring pain, pain site is not fixed, shortness of breath, boredom and restlessness and other symptoms. 1. Chest tightness and pain: it is the most common symptom of left chest pain, and the pain will be aggravated when running or coughing. 2. Unstable pain site: it is mostly manifested as wandering pain, and the pain site is not fixed. 3. Shortness of breath: patients may show symptoms such as increased respiratory rate and deep breathing. 4. Irritability and restlessness: under the stimulation of chest pain, there will be symptoms such as distraction and difficulty in sitting or standing still. If there is a left chest fork, it is recommended that the patient go to the regular hospital in time to identify the cause of the disease and actively treat it.