This　study　introduces　a　multi-point　optical　flow　cable　force　measurement　method　based　on　Euler　motion　amplification　to　address　challenges　in　accurately　measuring　cable　displacement　under　small　displacement　conditions　and　mitigating　background　interference　in　complex　environments.　The　proposed　method　combines　phase-based　magnification　with　an　optical　flow　method　to　enhance　small　displacement　features　and　improve　SNR　(signal-to-noise　ratio)　in　cable　displacement　tracking.　By　leveraging　magnified　motion　data　and　integrating　auxiliary　feature　points,　the　approach　compensates　for　equipment-induced　vibrations　and　background　noise,　allowing　for　precise　cable　displacement　measurement　and　the　identification　of　vibration　modes.　The　methodology　was　validated　using　a　scaled　model　of　a　cable　net　structure.　The　results　demonstrate　the　method＇s　effectiveness,　achieving　a　significantly　higher　SNR　(e.g.,　from　7.5　dB　to　22.24　dB)　compared　to　traditional　optical　flow　techniques.　Vibration　frequency　errors　were　reduced　from　6.2%　to　1.5%,　and　cable　force　errors　decreased　from　11.38%　to　3.13%.　The　multi-point　optical　flow　cable　force　measurement　method　based　on　Euler　motion　magnification　provides　a　practical　and　reliable　solution　for　non-contact　cable　force　measurement,　offering　potential　applications　in　structural　health　monitoring　and　the　maintenance　of　bridges　and　high-altitude　structures.