Heart stent (Stent), also known as coronary stent, is a commonly used medical device in cardiac interventional surgery, and has the function of unblocking arterial blood vessels. The main material is stainless steel, nickel-titanium alloy or cobalt chromium alloy. It first appeared in the 1980s and has undergone the development of metal stents, drug-coated stents, and bioabsorbable stents. At present, the processing of stents is mainly precision laser cutting. Permitted stent laser cutting machines and large stent laser cutting machines. The stent femtosecond laser cutting machine provides multiple solutions for stent processing.