The utility model discloses an air pressure sensor and acceleration sensor integrated MEMS chip comprising a monocrystalline silicon piece, a glass cover plate and a glass bottom plate. An air pressure sensor and an acceleration sensor are integrated in the monocrystalline silicon piece. The air pressure sensor comprises a first sensing silicon film, a plurality of first stress sensitivity resistors located on the first sensing silicon film, and a first groove embedded into the glass cover plate upward from the bottom end of the glass cover plate. The glass bottom plate is provided with a vertically-through air leading-in hole. The acceleration sensor comprises a mass block, an elastic cantilever beam connected with one end of the mass block, a plurality of second stress sensitivity resistors located on the elastic cantilever beam, and a second groove embedded in the glass cover plate upward from the glass cover plate. The air pressure sensor and an acceleration sensor are integrated in the same chip with the same technology, and the air pressure sensor and acceleration sensor integrated MEMS chip is small in size and compact in structure. The MEMS chip is high in sensitivity, reliability and stability. The chip is easy to manufacture and low in cost.