The invention discloses a multifunctional cultivation room control system capable of realizing 54-cultivation room distributed control, wherein 6 cultivation rooms form one group, and total 9 groups of cultivation room system are formed; the multifunctional cultivation room control system also comprises a far end monitoring computer, a system monitoring computer, a serial port card and a RS-485 bus; the serial port card is connected with the RS-485 bus; the system monitoring computer is connected with the 9 groups of cultivation room systems through the serial port card and the RS-485 bus; the far end monitoring computer is connected with the serial port card through the internet, thus remotely monitoring the 9 groups of cultivation room systems; each group of cultivation room system also comprises a touch screen, a PLC, an industrial controller RTU and 6 cultivation rooms; the PLC and the industrial controller RTU communicate through a MODBUS, and are connected with the 6 cultivation rooms; the touch screen and the PLC communicate through the MODBUS. The multifunctional cultivation room control system can improve the cultivation room environmental parameters control stability, diversification and precision, thus greatly improving the cultivation room multifunctional application value, and satisfying real usage requirements.