Abstract: In order to promote the efficiency of agricultural patent application in Heilongjiang Province, shorten the patent review cycle, reduce the cost of enterprise authorization and rights protection, and further promote the innovative development, transformation and upgrading of Heilongjiang agriculture, this paper analyzed the general situation and existing problems of agricultural patent development in Heilongjiang Province and put forward corresponding suggestions based on the characteristics and working process of rapid pre-examination of patent applications. For example, we should continuously optimize the work process of pre-examination, strengthen business and policy guidance, so as to improve the quality of patent pre-examination, and promote the construction of intellectual property system.