Tooth cup

The utility model provides a tooth cup. The tooth cup comprises a cup body, the cup cover assembly can cover the cup body; the sterilization device is arranged on the cup cover assembly and used for sterilizing the cup body; and the drying device is arranged on the cup cover assembly and used for drying the cup body. The utility model provides a tooth cup. The sterilizing device and the drying device are arranged; the sterilization device and the drying device are both arranged on the cup cover assembly, so that the cup body is light and convenient, the cup body can contain enough water, and the situation that the service life of the sterilization device and the service life of the drying device are affected by the water in the cup body is avoided. 本实用新型提供了一种牙杯，包括：杯体；杯盖组件，可盖设于杯体上；杀菌装置，设于杯盖组件上，用于对杯体进行杀菌；烘干装置，设于杯盖组件上，用于将杯体烘干。本实用新型提供的牙杯，通过杀菌装置及烘干装置的设置，从而可以对杯体进行消毒、烘干，防止杯体滋生细菌，且将杀菌装置及烘干装置均设于杯盖组件上，使得杯体轻便，杯体能够盛装足够多的水，且不用担心杯体内水会对杀菌装置及烘干装置的使用寿命产生影响。