The pain in the right lower rib when you are angry is mostly seen in mental abdominal pain, intercostal neuritis, costochondritis and so on. 1. psychogenic abdominal pain: a psychosomatic disease mainly due to emotional tension, psychological disorders and other factors that lead to lesions in the tissues of the organism, may lead to pain in the right lower abdomen when angry because of mental factors. 2. Often caused by herpes zoster, there may also be trauma, infection, nerve compression and other factors leading to inflammation, which will lead to significant pain in the distribution area of the intercostal nerves, and the pain may be more pronounced when angry. 3. costochondritis: the etiology is still unclear, but it may be secondary to trauma or infection, often leading to swelling and pain in the anterior chest wall area, and sometimes may be manifested as pain in the right side of the abdominal area when you are angry or when you are active. Once angry right lower rib pain may also be caused by other reasons, it is recommended to go to the hospital, cooperate with the doctor to take examination and treatment.