The invention relates to an 
oral cavity cleaning and 
nursing device, and belongs to the technical field of medical apparatuses and instruments. The 
oral cavity cleaning and 
nursing device comprises a device body and an 
oral cavity cleaning device. A water purification and disinfection device is arranged on the right side of the device body. A conveying 
pipe is arranged above the water purification and disinfection device. A 
water storage tank is arranged on the conveying 
pipe and provided with a water inlet. A closing cover is arranged at the water inlet. A cleaning groove for teeth on the upper row is formed in the left side of the oral cavity cleaning device. A 
tongue cleaning plate is arranged below the cleaning groove for the teeth on the upper row. A cleaning track is arranged on the 
tongue cleaning plate. Protruding particles are arranged on the cleaning track. A cleaning groove for 
cleaning teeth on the lower row is formed below the 
tongue cleaning plate. A 
cleaning agent pipeline is arranged on the right side of the oral cavity cleaning device. A 
control line pipeline is arranged below the 
cleaning agent pipeline. A water drainage 
pipe is arranged below the 
control line pipeline. A 
cleaning agent processor is arranged in the oral cavity cleaning device. The oral cavity cleaning and 
nursing device is complete in function and convenient to use; in the oral cavity cleaning and 
nursing process, time and labor are saved; the oral cavity cleaning and nursing device is scientific, convenient to use, safe, efficient, intelligent and accurate, and the work difficulty of medical workers is lowered.