隨著科技的快速發展，智慧型手機的使用已廣泛的應用於人們的生活中，而其便利性也影響到了許多人的生活習慣，行動支付這項創新的付費方式也從中融入了人們的生活當中。儘管台灣目前不論在政策上或是商業上都在積極推廣行動支付的使用，但使用行動支付作為付費方式的人數並沒有期望中的多，因此如何吸引潛在用戶使用行動支付成為台灣需面臨的主要問題。過去有許多關於行動支付的相關研究，但文獻中大部分都在探討使用者的使用意願及持續使用意願。由於台灣在地理環境上的便利性，使得人們在交易上習慣以舊有的現金及信用卡方式進行支付，若要吸引潛在用戶使用，藉由分享的方式可以快速增加不同族群間資訊的傳遞。故本研究將從不同的角度出發，去探討使用者的分享意願，以了解使用者願意分享行動支付這項服務的因素。以使用者自身的社會效能、科技效能為外部影響因子，並以知覺利益、知覺風險為中介變數，去探討人們分享行動支付的意願。
本研究以量化的方式進行研究，並以LINE Pay作為問卷中的研究案例。從問卷分析中可以發現：(1) 根據創新接受程度的不同，對於分享意願的因素也會不同。早期採用者會因風險和利益而影響分享意願；主要及晚期採用者會因利益而影響分享意願，因此建議行動支付業者在早期推廣行動支付服務時應注重系統的穩定及安全性，未來再投入較多的優惠方案；(2) 早期、主要採用者會因自身的科技效能而影響知覺利益跟知覺風險，而晚期採用者除了科技效能外，也會因自身的社會效能影響知覺利益跟知覺風險。

With the rapid development of technology, smartphones have been widely used in people's lives. The payment method of mobile payment has also been incorporated into people. Although Taiwan is currently actively promoting the use of mobile payments, the number of people using mobile payment is not much expected. Therefore, how to attract potential users using mobile payment has become a problem for Taiwan. There are many kinds of research explored the willingness and the willingness to continue to use mobile payment. Due to the geographical convenience of Taiwan, people used cash and credit card as their payment transaction. Through share intention, the information will transfer between different groups, and attract potential users. Therefore, this research will explore the willingness of users to share mobile payment from different perspectives. This research discusses the share intention of using mobile payment by applying “social efficacy” and “technology efficacy” as external factors, as well as “perceived benefit” and “perceived riskless” as intermediary variables.
Through a qualitative method, this research adopted LINE Pay, a mobile payment application, as a research case in the questionnaire. After the literature review and analyzing the data, the cross-reference found that: (1) According to the degree of innovation diffusion, early adopters’ share intention will be affected by risks and benefits; major and latest adopters will be affected by benefit. Therefore, it is recommended that an enterprise should pay attention to the stability and security of the system in the stage of promoting mobile payment. (2) Early, main adopters will affect their perceived benefits and perceived riskless by technology efficacy. Latest adopters not only affect their perceived benefits and perceived riskless by technology efficacy, but also from social efficacy.

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