目的 随着可穿戴电子技术的快速发展，因具有较高的传感系数，柔性应变传感器在电子皮肤和机器人领域得到了广泛关注，但如何降低其制造成本成为一种挑战。近年来，印刷电子技术的快速发展推动了柔性应变传感器的发展，并逐渐在一些新的领域得到应用，尤其是智能包装领域。方法 结合课题组在全印制应变传感器方面的研究进展，对柔性传感器的原理、印刷制造方法和主要应用进行综述。结论 大量的研究表明，印刷柔性应变传感器已经开始应用于智能包装中，利用印刷电子技术制造智能包装也有利于降低其制造成本，推动其走向实际应用。

With the rapid development of wearable electronic technology, flexible strain sensors have received extensive attention in the field of electronic skin and robots due to their high transduction factors. However, how to reduce the manufacture cost is a huge challenge. In recent years, the rapid development of printed electronic technology has promoted the development of flexible strain sensor, which has been applied in some new fields, such as intelligent packaging. According to the research progress in our group, the mechanisms, manufacturing methods and applications of fully-printed flexible strain sensor were summarized. A large number of studies have shown that flexible strain sensors have been applied to intelligent packaging. The use of printed electronic technology to manufacture smart packaging is beneficial to reduce its manufacturing costs and promote its practical application.