The body is always blue and purple can first hang hematology department for consultation. If you have been taking anticoagulant and antiplatelet drugs for a long time, you can go to the department of cardiovascular medicine to adjust the medication as appropriate. 1. Hematology Bruises and purple bruises are indicative of subcutaneous hemorrhage, which is sometimes associated with physical impact or trauma. After a localized injury, the capillaries rupture, allowing blood to enter the subcutaneous area and form a bruise. Bruising without trauma may be associated with abnormalities in the blood system. Platelet abnormalities in the blood system, such as giant platelet disorder, platelet apathy, etc., and coagulation abnormalities, such as hemophilia, etc., can cause bruises and purplish patches all the time. Patients can go to the hematology department of regular hospitals for consultation, and according to the doctor’s advice, conduct blood routine, coagulation function and bone marrow cytology to find out the cause of the disease, and then take active treatment after confirming the cause of the disease. 2. Cardiovascular and other departments If the patient has been to the hematology department to exclude the blood system and other related diseases. If the body is always blue and purple, it may be caused by long-term use of anticoagulant or antiplatelet drugs, such as warfarin, aspirin, etc. It is necessary to go to the department of the original disease, such as cardiovascular medicine, etc., and adjust the use of medication after the doctor’s evaluation. In life, you need to pay attention to skin protection, pay attention to sun protection, avoid trauma, diet needs to strengthen nutrition, appropriate supplementation of vitamins and trace elements.