Method and system for determining safe speed limit and vehicle

The invention provides a method and system for determining a safe speed limit and a vehicle, and belongs to the technical field of vehicles, and the method for determining the safe speed limit comprises the steps: obtaining a travel plan of a first vehicle; based on the travel plan, predicting first environment information when the first vehicle passes through the road section; and based on the first environment information and the historical driving speeds of the plurality of vehicles during driving each time under the multiple kinds of second environment information, determining a first speed limit of the first vehicle when the first vehicle passes through the road section. When the driving speed limit is determined, the influence of personality factors and common factors is considered, so that the first speed limit better meets the requirements of different vehicles or the same vehicle in different periods, the personality requirement of each vehicle is met, and the accuracy of the driving speed limit is i