If the state of low fever appears during the cold, it is likely to be caused by viral infection or mycoplasma infection. It is recommended to take azithromycin and ribavirin granules orally first, which are very helpful to relieve the low fever, and the symptoms of low fever can be relieved after taking them for about 3-5 days continuously. During the treatment period, attention should also be paid to keep the child’s bowels open and not to have dry stools, otherwise it is not conducive to fever reduction. Patients can eat more fruits and vegetables, if the child is small, you can squeeze the fruit juice and drink it, which can play a good role in laxative and promote the effect of fever reduction. You should also pay attention to measuring body temperature, and if the symptoms of low fever recur, you should go to the hospital for further examination in a timely manner. You can have mycoplasma antibody tests, blood tests and tuberculosis antibody tests to clarify the cause of the disease and then carry out symptomatic treatment, which is conducive to rapid recovery.