The invention discloses a low-power consumption vibration wire-type strain acquisition system adopting a wireless sensor network technology, comprising a computer, a wireless control base station and a wireless strain sensor network, wherein the wireless strain sensor network comprises a plurality of wireless low-power consumption vibration wire-type strain acquisition units; the wireless control base station comprises an interface module, a processing module and a wireless module, and the interface module is connected with the processing module and the wireless module in sequence; the interface module is connected with the computer; the wireless low-power consumption vibration wire-type strain acquisition units comprise wireless modules, acquisition modules, processing modules, power supply modules and vibration wire-type sensors; the power supply modules are connected with the acquisition modules, the processing modules and the wireless modules in sequence; and the acquisition modules are connected with the vibration wire-type sensors. The invention adopts modular design and has small volume, low energy consumption and convenient installation and stationing. The system can be adapted to the site environments of outdoor construction sites, has flexible installing and fixing mode, can be fixed by high-strength magnets or bolts and is adapted to the rapid disassembly and assembly of different construction component materials.