Fever caused by a drop in white blood cells after chemotherapy is more dangerous, but a mild fever caused by a cold is usually not a big problem. After chemotherapy, patients may cause the body’s white blood cell decline caused by fever, clinical granulocytopenia fever. At this time, due to the poor resistance of the patient’s body, the patient’s body temperature exceeds 38.5 ℃ or more, accompanied by infection, if the treatment is not timely, it will cause harm to the patient’s body. Patients after chemotherapy due to poor resistance, there may also be a cold caused by mild fever, this situation usually body temperature does not exceed 38.5 ℃, this situation is usually not serious, but also need to be treated in a timely manner to avoid aggravation of the condition. After chemotherapy, the body does not adapt to timely medical treatment, clear causes, timely treatment. Avoid aggravation of the condition and serious consequences.