The utility model discloses a cable channel vibration monitoring system in power facilities maintain field, including monitor note and data gathering intermediate depot, the monitor note is including measuring singlechip, acceleration sensor, the controllable power of first multichannel and wireless dispensing device, acceleration sensor with wireless dispensing device all with the measurement singlechip is connected, the controllable power of first multichannel is connected respectively the measurement singlechip acceleration sensor with wireless dispensing device, the data gathering intermediate depot includes: collect singlechip, wireless receiving device, GSM communication device and the controllable power of second multichannel, the wireless receiving device with GSM communication device all with it connects to collect the singlechip, the controllable power of second multichannel is connected respectively collect the singlechip wireless receiving device and GSM communication device. Its technological effect is: the efficiency of the cable channel vibrometer is improved, ensure the safety of power supply, done benefit to the long term monitoring and measurement to cable channel.