Most valve replacement surgeries can be done minimally invasively, valve replacement has mitral valve replacement, tricuspid valve replacement, aortic valve replacement, pulmonary valve replacement is very rare, clinically mainly mitral valve and aortic valve replacement is the most common. Monocular valve replacement can be done with minimally invasive composite valve replacement, there is a balance between actual minimally invasive and its damage to the body, such as composite valve if minimally invasive takes a long time to do, long heart block time, especially long surgery time, anesthesia time is also very long, although the wound is small but the damage brought is far greater than the damage brought to the patient by the wound. If an authentic, traditional, classical surgery is done in 1-2 hours, but a minimally invasive one cannot be done in 5 or even 7-8 hours. It is not the smallest wound that is minimally invasive, but the less damage to the body that is minimally invasive.