Strengthening the Party building of farmers' professional cooperatives can be done in the following aspects: 1. Establish and improve the organizational structure: establish a complete party organization, set up party committees, general branches and branches, and clarify the division of responsibilities and powers and responsibilities. 2. Strengthen the propaganda work of Party organizations: Strengthen the education and publicity of the Party's line, principles and policies, and improve party member's ideological understanding and political consciousness. 3. Strengthen the team building in party member: expand the development scale of party member, strengthen the training and education in party member, and improve the level and quality of party member. 4. Pay attention to the selection and training of cadres in party member: Pay attention to the selection and training of party member cadres and leading cadres with practical experience and theoretical literacy at the grassroots level. 5. Improve the inner-party democratic system: Establish and improve the inner-party democratic system, and let party member participate in the management and decision-making of farmers' professional cooperatives through general party membership meeting and the branch committee. 6. Strengthen the construction of a clean government: actively carry out anti-corruption education, strengthen the education and supervision of party member cadres, and safeguard the party's image. 7. Pay attention to contact with the masses: Give full play to the vanguard and exemplary role of party member, keep close contact with farmers, understand their opinions and suggestions, and make suggestions for the development of farmers' professional cooperatives.