If the baby’s nose changes from clear to yellow after catching a cold, the main consideration is that the child’s type of evidence has changed, because a clear nose is mostly a symptom of wind-cold cold, and a yellow nose often indicates a conversion from cold to heat, so the treatment also needs to be adjusted, for example, children with a clear nose can be treated with drugs to disperse wind and cold, such as Zheng Chai Hu Drink. For example, children with a clear runny nose can be treated with medicines to disperse wind and cold, such as Zheng Chai Hu Drink. After the nasal discharge turns yellow, children should be treated with medicines for wind-heat colds, for example, Yin Qiao Detoxification Pill can be given to children because the ingredients of Yin Qiao Detoxification Pill include Yin Hua, Lian Qiao and Burdock, which can play a good role in dispersing wind and clearing heat and relieving symptoms.