Automobile autonomous maintenance reminding device and system

The invention provides an automobile autonomous maintenance reminding device and system, which belong to the automobile diagnosis and detection. Compared with the prior art, the automobile autonomous maintenance reminding device and system are based on the existing automobile autonomous diagnosis technology, and a data acquisition module, a data analysis module and an autonomous promoting module are mainly arranged on a corresponding device, wherein a user is reminded according to maintenance measures given by the data acquisition module. The automobile autonomous maintenance reminding device and system can be utilized to combine an automobile maintenance system with security emergency and the like, so as to lower the system cost. At the same time, the device is portable and can be placed in different positions of an automobile, so that a user can use the device more conveniently.