Method and system for improving starting dynamic property of hybrid vehicle driving system

The invention discloses a method and system for improving the starting dynamic property of a hybrid vehicle driving system. The method comprises the following steps that the starting driving working condition of a vehicle is obtained; acquiring a whole vehicle starting demand torque change rate within a preset time; the whole vehicle starting demand torque change rate and the whole vehicle starting demand torque change rate limit value are compared, and a first comparison working condition is obtained; and according to the obtained first comparison working condition, controlling and executing different control strategies of torque output of the starting dynamic property of the hybrid electric vehicle driving system. The control method for the starting dynamic property of the hybrid electric vehicle driving system is easy to implement, and on the premise that the mechanical design cost is not increased, the starting dynamic property of the whole vehicle is effectively improved, and the obstacle crossing capaci