Abstract: The Rural Grass-roots Party Organization is the front-line force and important guarantee for the Rural Rejuvenation Strategy. Enhancing the organizational strength is the top priority of the construction of Rural Grass-Roots Party organization, and is also an important content of implementing the Rural Rejuvenation Strategy. The organizational strength of Rural Grass-Roots Party organization is the ability to continuously improve the organization coverage of Party, the masses appeal and the internal cohesion through internal and external dimensions. Under the background of the Rural Rejuvenation Strategy, there are some problems in the organizational strength of Rural Grass-Roots Party Organizations, such as unreasonable structure setting and shrinking organizational coverage, insufficient service ability and decline of the masses appeal, imperfect operation mechanism and weak internal cohesion. Therefore, it is necessary for Rural Rrass-Roots Party Organizations to optimize the structure and expand organizational coverage, highlight political functions and service awareness, and expand the masses appeal, standardize the organization and management, and enhance the internal cohesion, so as to comprehensively enhance their own organizational strength, and provide a solid guarantee for the full implementation of the Rural Rejuvenation strategy.