Innovation ability is the superposition and coupling of management ability, professional ability, and development ability, and it is an ecosystem formed by the organic combination of overall functions. Taking the talent cultivation practice of Architecture Class 132 of Nanchang University as a case, this paper discusses the strategy and effect of innovation ability training from the perspective of the field and believes that the management ability field emphasizes the training of undergraduate class tutor system and critical thinking. General education and theoretical practice learning are important components of the professional ability field, while the discipline competitions and research training programs and innovation entrepreneurship training programs are the propellers for development ability field. The results show that the strategy is centered on students and integrates scientific research into the classroom, tested in practice, which is conducive to cultivating students' critical thinking and innovative ability. In order to improve the training strategy of innovation ability, it is believed that multiple perspectives should be implanted to break the solidification and authoritative situation of existing knowledge; vision of dynamic development should be adhered to so as to respond to the globalization of knowledge under the new information age; an inclusive support environment should be created as institutional guarantees for college student innovative ability cultivating.