Abstract: In the 1.28 Incident Chiang Kai-shek implemented a positive resist，strategic approach to prepare representations，and took effective strategic measures，such as Nanjing and Shanghai defenses and military deployments；moved the capital to Luoyang；divided theater；reinforced troop movements；strengthened coastal defenses；built a second line of defense；developed the second phase of the resistance battle plan，the final part of the strategy to achieve its purpose：under the premise of not signing a treaty ceding territory to reach a truce agreement with Japan.Constraints of the strategy included political，economic and military.Overall，Chiang Kai-shek's strategy is partly valid，but there are also negative components，the performance of the strategy is subject to the political objective of “the stabbing outside must first be peace within” ，and the resistance is only a limited resistance.And “Songhu Armistice Agreement” provides China could not garrison in Shanghai to Suzhou and Kunshan area，so China's sovereignty was violated，and the other part of the strategic objectives of Chiang Kai-shek—to signa treaty of armistice with Japan without losing the right，was not achieved.