Abstract: The present invention provides a roof-mounted solar module integration device, a solar power vehicle and a encapsulation method for modules. The integration device comprises: a substrate in which a through-hole is formed, wherein a front side of the substrate is provided with a first trench, and a reverse side of the substrate is provided with a second trench; a solar module fixed on the front side of the substrate; a plurality of conductive bands arranged in the first trench, wherein a first end of each of the conductive bands is connected with the solar module, and a second end is led out of the through-hole to the reverse side of the substrate; and a bypass diode and an anti-reversion diode which are arranged in the second trench and connected with the second ends of the conductive bands.