This technical solution comprises systems including "greenhouse environmental sensors," "weather station system," "IoT greenhouse controller," "greenhouse control logic software system," "suspended digital display screen," "high-definition network camera," "greenhouse IoT software system platform," and "integrated water and fertilizer irrigation." It enables the storage, analysis, transmission, and remote control of greenhouse environmental data, greenhouse images, historical data reports, historical data curves, agricultural operation records, and fertilization records, making it an ideal solution for fully automated control of smart greenhouses.