Multifunctional monitoring device for agricultural Internet of Things plant growth

The invention belongs to the technical field of monitoring devices, in particular to a multifunctional monitoring device for agricultural Internet of Things plant growth, comprising a monitoring device main body, wherein a growth box and plant growing in the growth box are placed on one side face of the monitoring device main body, during the use of the multifunctional monitoring device provided by the invention, casings on both sides of the growth box can be overturned toward the middle side, meanwhile a limiting rod above a connecting rod is pulled to be lapped on a fixing column on one sideface of the casing, so that the plant in the growth box is controlled in a space formed by the casing, meanwhile air with different gas contents is injected from a through hole above the casing and is observed by a monitor in the monitoring device main body, a cover plate on a front side of the casing can be opened to expose a vent groove to allow the external air to enter so as to neutralize theinternal air, further obs