Intelligent car door opening-closing device

The invention provides an intelligent car door opening-closing device which is a device mainly applied to a saloon car door. The intelligent car door opening-closing device enables a driver to be conveniently control the car door and ensure that the car door can be locked when a car is driven or the driver parks and leaves a car. A piston in a cylinder full of liquid of the opening-closing device is fixed to a piston rod, and a connecting hole formed in the end of the piston rod and a base plate on a housing are respectively fixed to a car body and the car door. The driver controls an electric oil pump by controlling a switch and enables the piston to move towards the left or right in the cylinder body so as to achieve closing or opening of the car door. Locking is achieved through remote control or center control, the car door can be locked through a key, and the door which is not closed well can be also closed automatically. The intelligent car door opening-closing device adopts a forced mode and has a one-way function, and the running safety is further improved.