When hemolysis occurs in the ABO blood group, there are symptoms such as chills and high fever, generalized rash, panic and chest tightness. Hemolysis of the ABO blood group occurs in newborn babies and in cases of blood transfusion errors. Due to the difference in blood types, the body has antibodies that destroy blood cells and cause damage to the body. Generally, systemic symptoms appear within a short period of time, and each person’s performance varies. When hemolysis occurs, the body’s immune system is activated, and symptoms such as chills and high fever, generalized rash, panic and chest tightness are manifested. If you find obvious abnormal symptoms after blood transfusion or after the birth of a newborn baby, it is recommended to consult a doctor in time to determine whether hemolysis has occurred under the guidance of the doctor, and to give standardized treatment in the shortest possible time to promote the symptoms of recovery as soon as possible.