Coronary angiography is an invasive procedure which can have some complications. Septic arthritis and abscess after coronary angiography are extremely rare. In this case, a 49-year-old-man presented to our hospital with non-ST- segment elevation myocardial infarction. After coronary angiography, he had right leg weakness, femoral palsy, inguinal pain, but there was no bleeding or hematoma. The cause was right hip septic arthritis and abscess.