Vehicle speed control method and device

The invention discloses a vehicle speed control method and device. The method comprises the steps that target lane lines are obtained, the target lane lines comprise a first lane line and a second lane line, the first lane line and the second lane line are two lane lines which are different from the current position of a vehicle, and according to the slope of the first lane line and the slope of the second lane line, working condition information of the vehicle on a curve is determined, under the condition that the working condition information determines that the vehicle enters the curve, the control speed of the vehicle is determined according to the curvature of the first lane line and the curvature of the second lane line, a target execution strategy of the vehicle is determined based on the control speed, and the target execution strategy is used for controlling the vehicle to pass through the curve. The vehicle can be controlled to safely pass through the curve. 本申请公开了一种车辆速度的控制方法和装置。方法包括：获取目标车道线，目标车道线包括