At present, rotary hemostats are commonly used in clinical practice for hemostasis of transradial artery puncture sites, and are generally pressed for about 6 to 8 hours. Coronary angiography (CAG) is a commonly used technique for the clinical diagnosis of coronary artery disease, which has strong safety, stability and effectiveness, and has been developed as the “gold standard” method for the diagnosis of coronary artery disease. The radial artery puncture route causes less puncture damage, while the local vascular position is superficial, which can better play the hemostatic effect, and is the most common access route for CAG in clinical practice. Currently, the rotary hemostat is commonly used for postoperative hemostasis at the puncture site, and it is used to compress the radial artery puncture site through the pressurizing pad and change the pressurizing knob to achieve the purpose of hemostasis in the radial artery wound. At present, the commonly used decompression methods are: 1h after surgery to reduce 0.5 circle, 2h after surgery to reduce 0.5 circle; 4h after surgery to reduce the pressure is completed, 6 ~ 8h after surgery to withdraw the hemostat, the use of sterile infusion patch external paste, 12h after the infusion patch will be removed. Clinical specific compression time needs to be decided by experienced doctors under the premise of ensuring patient safety and hemostatic effectiveness.