Coagulopathies are mainly coagulation disorders, of which the most common clinical coagulopathies are various bleeding disorders. The common symptoms of coagulopathies are: i. Bleeding spots or petechiae on the skin mucosa, such as hemophilia A, hemophilia B, coagulation factor VII deficiency, vitamin K deficiency, etc. Second, internal bleeding conditions, which manifest as nasal bleeding, blood in urine, black stool, etc., are seen in various coagulation factor deficiency diseases. Third, bleeding from muscles and joints, commonly seen in patients with hemophilia, can appear as hematomas in deep muscles and joints, causing swelling and pain in the patient’s joints. After the joint hematoma is absorbed, there will also be a legacy of joint deformity. Therefore, coagulopathy is very dangerous to the human body.