Mouth-gag for infant

The utility model discloses a opening-gag for infant, which belongs to the filed of oral cavity operation instrument. The utility model comprises an upper and a lower teeth supports, which are made of plastic material and are of the concave slot shape; a spring is arranged between the upper and the lower teeth supports; the inside end of the upper and the lower teeth supports are connected with an elastic connecting body; the elastic connecting body is made of plastic material; the outside end of the upper and the lower teeth supports are provided with a plastic pressed handle; a spit-absorbing device is arranged on the lingua side part of the lower teeth support. The utility model has the advantages of simple structure, convenient and safe use. Only one people can finish the operation when conducting an oral cavity operation for infant. The utility model is a much more ideal opening-gag for infant for conducting oral cavity operation.