Accelerating the coordinated transformation and development of agricultural digitalization and greening is an important measure to promote the transformation and upgrading of agricultural production methods and realize the comprehensive promotion of rural revitalization strategy, and it is also China’s implementation of the digital China strategy and “dual carbon” commitment. On the basis of measuring the development indices of agricultural digitisation and agricultural greening in China from 2012 to 2021, this paper examines the synergistic relationship and relative development status of agricultural digitisation and greening in China, and analyses the spatial imbalance in the process of synergistic development of agricultural digitisation and greening as well as its convergence mechanism. It is found that: (1) During the sample inspection period, the degree of coordinated development of agricultural digitisation and greening in the country as a whole and in the three major regions of the main grain marketing area, the main grain producing area and the balance of production and marketing area have all steadily increased, and agricultural digitisation and greening in the regions as a whole are converging towards coordinated development, but there are large spatial differences, and the inter-regional differences make the greatest contribution to the overall differences. (2) Although the type of relative development has always been in the digitisation development lagging type, the relative development degree fluctuates upward, and the asynchrony of the development of agricultural digitisation and greening in China continues to improve. (3) There are significant absolute β-convergence and conditional β-convergence characteristics in the whole country and the three major food functional areas, showing that the synergistic development of agricultural digitisation and greening gradually converges and develops over time, and the spatial interaction effect of the synergistic development of agricultural digitisation and greening between provinces in China has a significant impact on the β-convergence trend. The research results have important enlightenment and practical guiding significance for collaboratively improving the level of coordinated development of agricultural digitalization and greening, and coordinating and promoting the collaborative work of digital greening.