Multifunctional nursing bed capable of assisting patient to slowly change postures

The invention relates to a multifunctional nursing bed capable of assisting a patient to slowly change postures. The multifunctional nursing bed comprises a turnover assisting mattress (1), a slow situp assisting mattress (2), the inflatable air bag (11) of the turnover assisting mattress (1), an inflatable air bag (12), an under-knee inflatable air bag (13), an air pump motor (4), cams (5), motor steering engines (6), (8), (9) and (10), dining plates (15) and small flat plates (16) and is characterized in that the motor steering engines (6), (8), (9) and (10) control the corresponding cams,the small flat plates (16) are fixed with the upper portions of bedrails, hinges are arranged between the small flat plates (16) and the dining plates (15), the turned dining plates can be fixed by middle screws, the output end of a single-chip microcomputer are connected with drivers, the output ends of the drivers are connected with the air pump motor and the motor steering engines, and slow situp and turnover are achieved by using buttons on a button panel and the single-chip microcomputer to intelligent control inflation and deflation.