Abstract: At present, with China's agricultural industrialization and modernization going deep, the agricultural development environment continuing to open up, information service should be implemented between agricultural producers and market. However, owing to the growing of aging rural labor, China's agricultural information services were faced with many problems. This paper analyzed the status and background of China's agricultural information service, discussed the challenges of agricultural information service against aging rural labor, and put forward a set of optimization proposals from five aspects including the agricultural information service objects, service providers, service contents, information transmission and service strategies.