Fever means heat, and it is not recommended to play with cell phones when you have a fever, as it is not conducive to the recovery of your condition. The symptoms of fever should be combined with the body’s condition to take appropriate methods to deal with, such as physical cooling, follow the doctor’s instructions to take medication, etc., to avoid continued aggravation of the condition, which will cause harm to the health of individuals. When you have a fever, your body will show weakness, poor mental state or other discomforts, and playing with cell phones during this period is not conducive to the recovery of your condition. Therefore, it is not recommended to play with cell phones when you have a fever. If the body has no other obvious symptoms of discomfort, and the body temperature does not exceed 38.5 ℃, you can take physical cooling, drink more hot water and other ways to relieve discomfort. If the body temperature exceeds 38.5 ℃, or does not exceed 38.5 ℃, but there are obvious symptoms of discomfort, you can follow the doctor’s advice to take fever-reducing drugs to treat the symptoms. Fever should be promptly consulted for clear diagnosis and treatment.