If a newborn is hypoxic, it will show the following clinical symptoms: 1. The heartbeat will increase significantly after the newborn is hypoxic, and it needs to be accelerated by the heart circulation to meet the symptoms of hypoxia in the body. 2. It is very obvious that the lips of the mouth are bruised. For the symptoms of hypoxia in newborns, the newborns should be given oxygen treatment in a timely manner, and the cause should be treated, such as the hypoxia caused by pneumonia, the newborns need to be given timely anti-infection and sputum treatment.