Tongue depressor

The utility model discloses a tongue depressor which comprises a holding rod and a tongue depressing part connected to the holding rod, and the tongue depressing part is provided with an illumination part and a distraction assembly. The opening assembly comprises a bent rod with one end arranged on the tongue pressing part and an arc-shaped occlusion block connected with the other end of the bent rod, the upper surface of the arc-shaped occlusion block is higher than the upper surface of the tongue pressing part, and the lower surface of the arc-shaped occlusion block is lower than the lower surface of the tongue pressing part. According to the tongue depressor, the distance between the two distraction assemblies is adjusted by adjusting the position between the two distraction assemblies, so that the tongue depressor is suitable for oral environments of different patients, the arc-shaped occlusion block is located between the upper molar and the lower molar, the situation that the patient suddenly occludes t