The three months baby, all aspects of development is not very complete, it is easy to suffer from some diseases, and the baby so small, the symptoms of a cold, parents will certainly be distressed. Once the baby has caught a cold, it is easy to cry, loss of appetite and other symptoms, affecting the healthy growth of the baby, how to do baby cold? 1, adequate rest, rest is a better way to get well, especially the cold more rest. 2, more liquid supplement, baby cold water shortage will be very uncomfortable, the virus is not easy to discharge the body, so to give the baby more water. 3, relieve nasal congestion, the baby will appear after the cold The phenomenon of nasal congestion, parents must pay attention to the baby to clean up the nasal cavity, you can use the massage method, baby nasal drops and other methods to help babies relieve the symptoms of nasal congestion.