After the angiography needs bed rest for about one day, the rest time may be extended for patients who undergo interventional therapy. Coronary angiography is the main way to check coronary heart disease, belongs to the minimally invasive way of examination, the main examination pathway for the radial artery, simple coronary angiography examination, the body generally does not cause serious damage, rest for a day can be. Some patients may need to implant a stent after coronary angiography, patients with common angina need to rest for 2~3 days, patients with acute myocardial infarction may need to rest for 1~2 weeks after coronary angiography and interventional therapy, and those with serious conditions may need to rest for a longer period of time. The specific rest time after coronary angiography should be decided according to the condition, and it is recommended to make good preparations before and after the examination to reduce the occurrence of complications.