If your child has a fever, the first thing you need to test the temperature, under 6 years old often recommended test, anal table (pharmacies can buy mercury anal table 2-3 yuan), the test can be used at home to cook the first drop of cooking oil in the finger, simple lubrication of the head body of the anal table, inserted into the anus about to scale between 36-37 can be, about 2-3 minutes, you can read, the anal table has a normal range, no need to add or subtract readings There is no need to increase or decrease the reading. Normal anal temperature (anal temperature direct reading) 36.9-37.9 hypothermia: body temperature 38.0-38.4 (anal temperature direct reading), need to drink more warm water, undress heat, you can use ice ice patch or cold towel external forehead, both sides of the neck, pay attention to half an hour to retest the body temperature, such as previous infection convulsions patients, need to detect the body temperature more closely, need to take antipyretic drugs; body temperature greater than or equal to 38.5 (anal temperature direct reading), the basic treatment as before, according to medical advice or the instructions on the bottle to take antipyretic drugs, drink water, undress heat, ice ice patch or cold towel external forehead, both sides of the neck external forehead and both sides of the neck, generally after half an hour or an hour or so to retest the temperature. Body temperature will generally repeat, retest the temperature 3-4 hours after taking antipyretic drugs, the temperature is generally lower in the morning, higher in the afternoon and higher at night, there will be a process of repetition, to regularly recheck the temperature and take antipyretic drugs. While observing the temperature, the child’s mental state must be observed. If the fever subsides and the mental state is good, the child can generally be treated at home first, and generally go to the hospital after 12 hours for routine blood tests to clarify viral or bacterial or other pathogenic microbial infections. In general, the incidence of upper respiratory tract infections, viral infections account for 80%. If the virus infection, only symptomatic treatment, 3-4 hours to detect the temperature, take antipyretic drugs, and the use of unpacking clothing heat, ice ice paste or cold towels, drink more water, maintain indoor ventilation, pay attention to try not to go outdoors to blow, play, etc., generally the first three days there is a trend of gradually increasing body temperature, after 72 hours, the highest temperature and fever interval are better than before, generally 3-5 days the course of the disease improved. Bacterial infections are mostly caused by precursors, such as skin breakouts, tooth extraction, etc. Small infants with low immunity have a high chance of bacterial infections, and those with chills (shivering before fever) are generally more likely to have bacterial infections and need to be treated with sensitive antibiotics at the hospital. Other pathogens such as mycoplasma infections need to be treated with drugs such as azithromycin.