Hemophilia is currently not curable. It is a lifelong disease that can only be treated symptomatically, such as blood transfusion or blood transfusion factor. The key is to strengthen care and prevention in daily life to reduce and avoid causing bleeding. There are currently three types of hemophilia, namely hemophilia A, hemophilia B, and hemophilia C. Hemophilia A is due to the lack of blood clotting factor m, while hemophilia B and hemophilia C are lacking. Coagulation factor k and clotting factor knives, these types of hemophilia have certain genetic laws. Both hemophilia A and hemophilia B are sexually recessive. Common is hemophilia A, which is characterized by the onset of males in the family, while females are the carriers of the disease but do not develop the disease. The other two types of hemophilia are both male and female. Home care points Because the disease is a lifelong disease, it is often heavier at onset. Therefore, prevention and care within the family have extraordinary significance for the prognosis of patients and the quality of daily life. 1. Patients and relatives must have a full understanding of the disease, relatives should give patients enough care and love, patients themselves should establish self-confidence, self-reliance, self-improvement of life concepts, self-care, to minimize the incidence of disease and improve Quality of Life. 2. Prevention and care of bleeding (1) “Prevention and care of bleeding”, pay special attention to avoiding trauma, when going to the hospital, explain the condition to the doctor and nurse, and avoid intramuscular injection as much as possible. Do all kinds of safety precautions in the home, try to avoid the use of sharp objects, such as needles, scissors, knives, etc. (2) Normally, when there is no bleeding, proper exercise is beneficial to reduce the recurrence of the disease. However, when there is active bleeding, it is necessary to limit the activity to avoid aggravating the bleeding. (3) When the joint bleeds, you should lie on the bed, fix the limb with splint, put it in a functional position, restrict movement, and apply local cold compress and bandage with elastic bandage. After the joint bleeding stops and the swelling and pain disappear, appropriate joint activities can be performed to prevent deformities and stiffness caused by long-term joint fixation. 3. People who have anemia due to heavy bleeding should strengthen the care of anemia.