Wind-thermal bundled transmission is an effective way to improve the efficiency of wind power transmission channels. The ratio of wind-thermal bundled and the capacity of external transmission lines are important factors that affect the overall efficient and economic operation. A planning optimization method for transmission and consumption of wind-thermal bundled is proposed. Firstly, the planning target requirements for typical transmission and consumption of wind-thermal bundled are analyzed. Secondly, starting from meeting the overall supply and demand balance of the system, an optimization model with the objective function of minimizing the overall planning cost of wind-thermal bundled is established, which takes into account the constraints of safe and stable operation of the system. Then, a planning optimization method based on time series simulation is proposed to solve the model to compare and select the optimal solution with the smallest objective function. Finally, the effectivenesses of the proposed model and method are verified through practical cases.