Abstract: Objective To discuss the influence of water colloid dressing on the skin of tracheal intubation in less than 6 months newborns with congenital heart disease.Methods A total of 80 newborns with congenital heart disease accepted therapy in our hospital were selected and were divided into control group and experimental group,with 40 cases in each group.3 M elastic tape was used to fix tracheal intubation in control group while water colloid dressing was used to protect the cheek and then 3 M elastic tape was applied to fix catheter in experimental group.The skin condition of the cheek was compared after intubation.Results The skin condition of experimental group was significantly better than control group (P ＜ 0.05).Conclusion Water colloid dressing could protect the skin and decrease the rate of avulsion injury of skin and pressure sores.