When removing the 24-hour ECG, it is recommended to go to the hospital to remove the battery first and then the electrodes. The 24-hour ambulatory electrocardiogram is a test that records the patient’s 24-hour electrocardiogram data and can detect transient electrocardiogram abnormalities that are difficult to detect with conventional electrocardiograms. Patients should be careful not to damage the device while wearing the ECG, and avoid electrode patch dislodging, water exposure, and other behaviors that may affect the recording results. Generally, it can be removed after 20~24 hours of wearing, and it is recommended to go to the hospital to be operated by a professional doctor. Generally, the battery is taken out first, then the electrodes are removed, and the electrode patches left on the patient’s body surface can be removed by oneself. If there are special circumstances that require the removal of the instrument, the patient can also remove the electrodes after wearing the instrument for a sufficient period of time (at this time will not affect the recording results), and then return the instrument to the hospital, the process should be careful to be gentle, to avoid damage to the instrument. It is generally not recommended that patients remove the electrodes themselves. The 24-hour ambulatory electrocardiogram can be removed by a specialized doctor at the hospital on time.