Photovoltaic module's braced system

The utility model relates to a photovoltaic field discloses a photovoltaic module's braced system, the system includes: load -bearing part and anchor clamps, load -bearing part with anchor clamps linkto each other, load -bearing part passes through the anchor clamps clamp is on the roof boarding plate -fin on roof, load -bearing part includes basic unit's welt and sets up photovoltaic module on basic unit's welt wherein is in set up at least one basic unit's welt stiffening rib on basic unit's welt. The utility model provides an under flexible photovoltaic module width modulus and the circumstances that metal roofing stiffening rib width modulus does not conform to, the use problem of photovoltaic module on the metal roofing can make flexible photovoltaic module install on the different metal roofing of various stiffening rib width moduluses simultaneously.