The feeling of suffocating below the left rib cage may be related to the following reasons: 1. There may be gastrointestinal-related diseases. For example, gastrointestinal flatulence, pyloric obstruction or intestinal obstruction may exist. If such diseases occur, the feeling of bloating may be present. 2. Heart-related diseases may be present. For example, during an attack of angina pectoris or acute myocardial infarction, abnormal sensations may appear in this area. 3, there may be lung-related diseases, such as tuberculous pleurisy, pneumonia, tuberculosis, pneumothorax and other lesions on one side, similar symptoms may also appear. 4, this symptom may also be caused by the patient’s emotional depression. For example, if the patient has been depressed recently, he or she may have a feeling of suffocation on the left and right sides at the same time. 5. This condition may also be caused by old damage here. For example, if the patient has had old fractures or blunt contusions of soft tissues in the past, the sensation may remain after the patient has recovered.