The utility model discloses a comprehensive anti-theft and alarm system for a vehicle. The comprehensive anti-theft and alarm system comprises system vehicle-mounted equipment, a mobile phone of a vehicle owner and a non-contact IC (integrated circuit) card; the system vehicle-mounted equipment comprises a GSM (Global System for Mobile Communication)/GPRS (General Packet Radio Service) module, a non-contact IC card reader-writer module, a TFT (Thin Film Transistor) touch screen, a CMOS (Complementary Metal-Oxide-Semiconductor) camera, a pyroelectric infrared sensor, a omnibearing shock sensor, a miniature direct current motor, a relay, a memory and a 32-bit microcontroller; the 32-bit microcontroller is electrically connected with the other devices of the system vehicle-mounted equipment by virtue of I/O interfaces. The anti-theft and alarm system disclosed by the utility model adopts the non-contact IC card technology for unlocking, duplication and reproduction are avoided, and thus, a thief is prevented from stealing and decoding electromagnetic waves with a receiver or a scanner; the safety of the vehicle is improved, the operation steps are simple, the system has pre-warning and alarm functions, remote monitoring can be realized, the non-contact IC card can store user information, the management is convenient, the use cost is low, and the production and popularization are facilitated.