研究背景：成功抑制病毒量至無法測得為治療愛滋疾病的首要目標，不僅可以降低死亡率、提升免疫力、促進健康的身體、提升生活品質，更可以減少疾病的傳播。動機為促進從事某項行為的原因、理由或念頭，是影響服藥遵從性的重要因素之一，對於是否能成功抑制病毒量則扮演著重要角色。

研究目的： 了解愛滋感染者服用抗病毒藥物至病毒量無法測得的動機。

研究方法： 本研究採質性研究現象學方法，在南部某醫學中心感染科門診，以立意取樣選取成功抑制病毒量的愛滋感染者個案，使用半結構式訪談大綱進行深度訪談，了解個案的自身想法經驗。

結果：本研究訪談10位愛滋感染者其在三階段服藥歷程：從開始服藥、開始服藥至病毒量無法測得、持續服藥之服藥動機，其中包含9位男性及1位女性。控制好疾病、他人的影響、個人的想法是感染者開始服藥的動機，前兩個主題同時為開始服藥至病毒量無法測得的動機，而除了上述提到的三個主題，再加上個人的想法及生命的實現為持續服藥的動機。

結論：控制疾病好好的活著為愛滋感染者服藥很重要的動機，而身旁有重要他人的幫忙協助及支持對於服藥這件事有著重要的正向影響。期望臨床醫療人員可以更加瞭解感染者的動機想法並協助找尋人生目標，提高生活品質、降低發病率及死亡人數，努力達成愛滋病零傳染的目標。

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