Wind resource assessment plays a crucial role in the siting and preliminary construction of wind farms. To better understand and leverage the role of wind measurement towers throughout the construction and operation of wind farms, the article discusses the role of wind measurement towers in power prediction and performance indicator assessment during the operation of wind farms based on practical experience and insights from wind farm maintenance and operation. Precise wind measurement tower data is a key element in the full lifecycle management of wind farms, providing more accurate guarantees for power generation enhancement and maintenance management.