You can determine if you have “panda blood” by having your blood type tested in a laboratory. “This negative blood type is very rare in China, accounting for about 1% of the population, and is known as “panda blood” because of its rarity. To confirm this blood type, only a blood test is needed to further clarify that if the Rh blood type is positive, then it is not panda blood, and if the Rh blood type is negative, then it is called panda blood. In addition to deliberate blood test certification, Rh-negative people can also be informed during routine medical examinations. If both parents have Rh-negative blood, then the child is also Rh-negative. Just as parents with type A and B blood can have children with type O blood, children with Rh-negative blood can be born when both parents have Rh-positive blood, but it is rarer. Due to the scarcity of Rh-negative blood, people with this blood type will have a tighter blood supply when they need blood transfusion during surgery or trauma, and may have difficulties with blood transfusion. People with this blood type also need to register specially for emergency blood donation after they are found.