Cough and fever in children is often caused by respiratory infections, including upper respiratory tract infections, bronchitis and pneumonia, which can cause cough and fever in children. Parents should not be anxious when their children have a cough and fever, but need to clarify the cause and give targeted treatment. If the cough and fever do not improve or if the child is in poor spirits, has difficulty breathing, or is obviously wheezing, you need to take your baby to the hospital as soon as possible. Infections such as bacteria, viruses, and mycoplasma can cause cough and fever in children. The doctor will give targeted treatment according to the possible pathogen. For fever, antipyretic treatment is usually given according to the body temperature, and antipyretic drugs are given if the body temperature is >38.5 degrees, while physical cooling and monitoring the temperature change can be given if the body temperature is <38.5 degrees. Cough can be treated with cough medicine and, if necessary, nebulized inhalation therapy. Babies with fever and cough also need to pay a lot of attention to their diet and not to eat foods that are difficult to digest. It is recommended to drink millet porridge or semi-liquid food, and not to eat spicy or cold food. It is important to give your baby plenty of water to slow down the cough. You can also drink iced sugar and Sydney water to moisten the throat and reduce the coughing symptoms caused by throat irritation. Every child needs a process to recover from illness, so as long as the treatment is carried out according to the doctor's method, you should not be too anxious, and anxiety will not help. If your child does not improve after treatment, you should seek medical attention.