The dangers of low white blood cells in children include reduced immunity and susceptibility to infections, etc., which should be taken seriously. 1. Decreased immunity: children may have low white blood cell symptoms due to factors such as impaired white blood cell production and excessive destruction of white blood cells, which are mainly responsible for the body’s immune system, such as the presence of low white blood cells may cause a decline in the body’s immunity, which is not conducive to their own health. 2. Easily infected with diseases: in the case of children with low white blood cells, it is easy to suffer from various infectious diseases, because white blood cells can make the human body produce antibodies, effectively improve the body’s resistance to prevent the invasion of various pathogens, if there are low white blood cells, it is very easy to get infected with diseases. If children have abnormal white blood cell test results, it is recommended to consult a doctor in time to clarify the cause of the disease with the help of the doctor and carry out targeted treatment or therapy.