The causes of chest pain on the right side mainly include the following aspects; firstly, it is considered to be caused by respiratory diseases, including acute and chronic bronchitis, emphysema, pneumonia, spontaneous pneumothorax, rupture of pulmonary blisters, etc., which can cause chest pain, and chest pain caused by respiratory diseases is often accompanied by breathing abnormalities and wheezing; secondly, it is likely to be caused by costochondritis or intercostal neuralgia, and chest pain caused by these two diseases is usually ineffective with pain-relieving drugs and the pain is paroxysmal; thirdly, it is caused by trauma or lifting heavy objects and other causes of intercostal muscle strain, which can be relieved by rest or topical blood-stasis medication. Secondly, it may be caused by costochondritis or intercostal nerve pain, which are usually ineffective in taking painkillers and have paroxysmal pain. Thirdly, it may be caused by intercostal muscle strain due to trauma or lifting heavy objects, which can be relieved by resting or applying medicines for activating blood circulation and removing blood stasis. Chest pain can be caused by a variety of reasons, if the pain is severe and accompanied by symptoms such as breathlessness, you need to consult a hospital in time, take a chest X-ray to clarify.