Normal hemostasis is a physiological function necessary to protect the body from massive bleeding after a minor injury and is accomplished by a triad of vascular, platelet, and coagulation mechanisms. Defects in any one of them may lead to bleeding disorders. The following are some of the daily precautions you should take: 1. Know the disease and blood type you are suffering from. 2. Learn to recognize the signs of bleeding, such as skin petechiae, black stool, pay attention to the amount of blood loss, observe the color of the face, find bleeding should immediately seek medical review and treatment. 3. For bleeding more than one part can take pressure to stop bleeding, nasal bleeding can be used to press the root of the nose with fingers and sit up. The supine position is not only not conducive to stopping bleeding, nosebleed from the back nostrils, there is a risk of asphyxiation. 4. Limit strenuous activities to avoid trauma and bleeding. Do not use hard toothbrushes, do not eat hard or thorny food. 5.Prevent infection and avoid going to public places. To avoid aggravation or relapse of the disease. 6.Avoid the use of drugs with platelet inhibiting function, such as aspirin and pentoxifylline.