The invention, which belongs to the field of the safety control technology, relates to an embedded-bluetooth-ranging-based real-time safety control device for an elevator door. A bluetooth module is connected to a measuring circuit connected to an A/D converter circuit; the A/D conversion circuit is connected with a power amplifier circuit I and the power amplifier circuit I is connected with a single-chip microcomputer control module I; the single-chip microcomputer control module I is connected with a display module and an alarm device I respectively; a power supply I is connected with the bluetooth module, the single-chip microcomputer control module I and the alarm device I respectively to form a bluetooth ranging module. An infrared induction circuit is connected with a power amplifier circuit II connected with a single-chip microcomputer control module II; and the single-chip microcomputer control module II is connected with an alarm device II. The control device has advantages of simple structure, flexible operation, and low cost, environment protection and high durability and plays a role in protecting life safety of residents.