Pain under the right side of the ribs during inhalation may be due to trauma, pleurisy, intercostal neuralgia, liver and gallbladder lesions. Treatment includes medication, surgery, etc. The use of medication should follow the doctor’s instructions. 1. Trauma: due to bending or sitting too long, causing local intercostal muscle strain, or trauma caused by local soft tissue injury, rib fracture, can cause local pain, chest tightness, etc., and the pain can be aggravated when inhaling or coughing. Non-steroidal anti-inflammatory drugs, such as ibuprofen, can be used if the pain is severe. Elastic chest strap can be used to externally immobilize the ribs and control paradoxical breathing. If there is hemothorax or pneumothorax, early closed drainage of chest cavity should be performed, and if the condition is serious, timely surgical treatment is needed. 2. Pleurisy: in case of tuberculous pleurisy, chest pain, chest tightness, etc., the pain can be aggravated when taking a deep breath, accompanied by low fever, night sweats and other systemic symptoms. Regular anti-tuberculosis treatment is needed, such as isoniazid and rifampicin. 3. Intercostal neuralgia: the pain is distributed along the intercostal nerves in the form of a band, tingling or burning pain, and the pain can be aggravated when changing the position or taking a deep breath. If the pain is severe, use non-steroidal anti-inflammatory drugs, such as ibuprofen, or procaine and other local nerve block treatment. 4. Hepatobiliary lesions: such as cholecystitis attack, there can be pain in the right lower ribs when inhaling, need to carry out anti-infective treatment, such as the use of cefuroxime, etc., the condition requires the feasibility of cholecystectomy. Pain in the right lower rib when inhaling can also be seen in other diseases, it is recommended that patients seek timely medical treatment, so as to avoid delaying the condition.