For a three year old baby with a cough and fever, consider cold symptoms caused by an upper respiratory tract infection. Cough and fever can be treated with anti-inflammatory, anti-infectious and antipyretic drugs. You can take pediatric phlegm and cough particles, with cephalosporin granules and PuDiLan anti-inflammatory oral solution, to stop coughing and anti-inflammatory treatment. If the temperature is low, it is recommended to apply fever-reducing patches and warm water baths and other physical cooling methods to treat. If the temperature is over 38.5℃, you need to give your child pediatric aminophenolamine granules and acetaminophen drops to reduce fever. Minimize outdoor activities during cough and fever to avoid the stimulation of dry and cold air. Diet should eat more vegetables and fruits, drink more honeysuckle water, rock sugar pear water, white radish water, for the recovery of the disease is very good help.