The invention relates to the technical field of medical equipment and particularly relates to an intelligent washing device for a nursing bed. The intelligent washing device for a nursing bed comprises a shell, a master controller, an electromagnetic valve, an instantaneous water heater, a shunt valve, a flushing sprayer and an air heater, wherein the master controller, the electromagnetic valve,the instantaneous water heater, the shunt valve, the flushing sprayer and the air heater are arranged in the shell; the output end of the electromagnetic valve is connected with the input end of the instantaneous water heater; the output end of the instantaneous water heater is connected with the shunt valve; the shunt valve is connected with the flushing sprayer; and the master controller is usedfor controlling the electromagnetic valve, the instantaneous water heater, the shunt valve, the flushing sprayer and the air heater. According to the intelligent washing device, different persons canbe washed due to the design of the shunt valve, the users have good experience and comfortable feeling; an instantaneous water heat module is arranged in the flushing sprayer, water is heated in thesprayer,, and heat waste and use cost increase caused by heating the water in a water tank can be avoided; and the washing method can achieve automatic washing and drying functions, and work can be continued by reading the last work state even the device is powdered down suddenly and powered on once again in the using process.