The swelling and pain on both sides of the chest is manifested as bilateral breast swelling and pain, which is considered to be the symptom of breast hyperplasia, due to the disorder of hormone level in women’s body, resulting in excessive proliferation of breast tissues and breast swelling and discomfort. Many women experience breast pain when they are angry or under stress. The symptoms are mild and do not require medication, so it is important to keep your mood happy. Consider double lung or chest wall disease chest swelling and pain, such as inflammation and infection of both lungs, pus chest, accompanied by fever, cough, sputum and other symptoms, the need for timely antibiotic medication, if necessary, need to be surgically drained. Chest pain can be due to trauma or pectoralis major muscle injury symptoms, there is a history of strenuous exercise or trauma, you can first localized hot compresses, try to go to the regular hospital to confirm the diagnosis.