Human body size measuring device

The invention relates to a human body size measuring device. The human body size measuring device comprises one or more servo assemblies, an annular bearing part and an antenna assembly, the servo assembly is connected with the annular bearing part, and the antenna assembly is arranged on the annular bearing part; the servo assemblies are used for driving the annular bearing part to move in the vertical direction and sending position information to the antenna assembly, and the position information is used for representing the moving distance of the annular bearing part; and the antenna assembly is used for receiving the position information, transmitting electromagnetic waves to a human body when the position information meets a preset condition and receiving electromagnetic waves reflected by the human body, the electromagnetic waves reflected by the human body are used for allowing external computing equipment to calculate the size of the human body, and the electromagnetic waves are millimeter waves or te