Pain on the left side of the ribs is mainly considered in the following cases: the first case is seen in patients with coronary angina, who experience pain on the left side of the ribs during an angina attack. This type of patients are mainly seen in the elderly population, with a history of hypertension, diabetes, hyperlipidemia, in the angina attack is mostly triggered, such as exertion, mood swings, satiety or cold stimulation will appear episodes of pain on the left side of the ribs, accompanied by chest tightness, shortness of breath these symptoms, after rest or contain the drug symptoms can be relieved. The second condition is seen in patients with intercostal neuralgia, where the pain is fixed for a longer period of time and the symptoms are aggravated by pressure on the painful area, which is a local problem of the rib cartilage and can be treated with local medication. In the third case, patients with intercostal neuralgia, mostly in the younger age group, do not have a diagnosis of coronary artery disease, the duration of each pain is longer and the subjective symptoms are more obvious.