Anti-theft fixing device and anti-theft vehicle roof rack crossbar

An anti-theft fixing device, comprising:

• a fixing main body, comprising a fixing portion and a connecting portion, the fixing portion fixedly connected to the connecting portion, the fixing portion comprising at least one fixing hole through which the fixing main body is capable of being connected to a vehicle, and the connecting portion comprising a mounting hole;
• the connecting portion having a first surface and a second surface opposite to the first surface;
• an anti-theft body, having an anti-theft portion disposed on an inner surface thereof and mounted onto the mounting hole so that the anti-theft portion detachably connected to the first surface of the connecting portion to cover the at least one fixing hole;
• wherein, when the fixing main body is connected to the vehicle via the at least one fixing hole and when the anti-theft portion is connected to the connecting portion to cover the at least one fixing hole, the at least one fixing hole is inaccessible to any user from a side of the fixing main body near the anti-theft body;
• a cover body, detachably connected to the second surface of the connecting portion to cover the mounting hole;
• and
• a lock member, configured to detachably connect the cover body to the connecting portion;
• wherein:
• each of the at least one fixing hole is configured to be directly fixed to a mounting surface of a roof of a vehicle;
• each of the at least one fixing hole penetrates the fixing portion and generates two openings respectively on two opposite surfaces of the fixing portion;
• the anti-theft body covers one of the two openings of each of the at least one fixing hole;
• and
• another one of the two openings is configured to be directly fixed to the mounting surface of the roof of the vehicle.