The invention discloses a multifunctional guardrail water drinking integral machine. The multifunctional guardrail water drinking integral machine includes a water dispenser box, water dispenser coldand hot water switches, a medical box, a foldable computer desk, and a handle; the water dispenser box is arranged on a handle of a passenger-get-on vehicle door; a handle is arranged on a passenger-get-on vehicle door side of the water dispenser box; the foldable computer desk is arranged on the other side of the water dispenser box; a reinforcement skeleton is arranged in the water dispenser box, and the strength of the water dispenser box is improved; the water dispenser box can be used as a guardrail, the water dispenser box and the handle can be organically combined with the vehicle body,and the internal space of the vehicle can be used reasonably; and the medical box, the foldable computer desk and the handle are arranged on the water dispenser box, the water dispenser has multiplefunctions, and the ride experience of the vehicle can be improved.