The utility model discloses a detection apparatus for automatic analog channel. This detection apparatus for automatic analog channel includes fixing device and two at least wiring ends, every the first end of wiring end is fixed set up in fixing device's outside, two simultaneously what the wiring was held is linked together and is fixed in fixing device's inside. The technical scheme of the utility model through will be at least two wiring ends be fixed in the fixing device outside, should two at least wiring end positions be linked together in the inside part of fixing device, form when encircling as needs communication channel, need not extract the terminal row and direct wiring end with this device inserts corresponding interface, can make communication channel form and encircle certainly to reduce detection procedures, improved work efficiency.