The symptomatic manifestations of blood disorders include anemia, susceptibility to infection, and bleeding. The symptoms of blood disorders manifest in a variety of ways, mainly related to the impaired function of the cells involved. The common ones are: 1. if it leads to a decrease in red blood cells, some symptoms of anemia can appear, such as pallor, bloating, poor appetite, fatigue, panic and shortness of breath after activity, dizziness and so on. 2. If it leads to white blood cell abnormality, there may be a decrease in immune function, and it is easy to have fever, cough, sputum, frequent urination, urgent urination, painful urination and so on. 3. If it leads to thrombocytopenia, nosebleed, gum blood, petechiae and ecchymosis of the skin may occur. In addition to the above symptoms, there are more other manifestations of blood diseases. The specific symptoms of blood diseases should be determined by the doctor according to the specific condition, and the patient should go to the hospital in time if he/she is not adapted to the disease.