An infant and child bonnet for securing a breathing tube includes a cap body and an elastic fixing band. The cap body includes a first opening and a second opening corresponding to each other and includes a first connection portion. The elastic fixing band is connected to the cap body. One end of the elastic fixing band includes a second connection portion flexibly fixing the breathing tube. The second connection portion is joined to the first connection portion. Accordingly, the infant and child bonnet suits various head sizes and shapes and effectively fixes the breathing tube without displacement or detachment.
