Special controller for external counterpulsation

The utility model discloses a special controller for an external counterpulsation. The special controller for the external counterpulsation comprises an AD (Analogue-Digital) converter, a digital isolator and a DSP (Digital Signal Processor), wherein a signal input end of the AD converter is connected with a pressure signal collection port, a temporal pulse signal collection part, an electrocardiogram signal collection port and a blood oxygen signal collection port; a signal output end of the AD converter is connected with the DSP through the digital isolator; the output end of the DSP is connected with a first optoelectronic isolator; the first optoelectronic isolator is connected with an electromagnetic drive control port; the electromagnetic drive control port is used for connecting an electromagnetic valve, a decompression valve, a back lifter and a heat radiation fan in an external counterpulsation machine. The special controller for the external counterpulsation provided by the utility model has the adv