The invention discloses a wearable electrocardiogram monitoring and arrhythmia remote real-time diagnosis device for multiple scenes. The device includes a front-end acquisition module, an MCU signalreceiving and displaying module, and a cloud server; the front-end acquisition module is wearable and includes a flexible fabric electrode sheet, an information acquisition module and a bluetooth sending module, ECG data are sent to a microprocessor unit in real time through a bluetooth slave module, the flexible fabric electrode sheet includes a flexible fabric electrode and a lead wire, the information acquisition module uses a BM101 electrocardiogram acquisition module, the BM101 electrocardiogram acquisition module can be embedded in an elastic vest, the bluetooth sending module is poweredby a lithium button battery, and a bluetooth slave is installed to send signals to the MCU signal receiving and displaying client module in real time; the MCU signal receiving and displaying client module is responsible for receiving and collecting front-end electrocardiogram data and realizing filter processing and displaying an electrocardiogram, and at the same time, the MCU signal receiving and displaying client module receives server-side disease diagnosis results and shows the results; and the cloud server assists the diagnosis module to use deep SE-Res learning for disease diagnosis, and has stronger robustness and generalization ability.