本研究旨在探討共依附特質、人際親密能力與親密感之間的關係。以台灣地區大一到大四有戀愛經驗的男女大學生425人為研究對象。採用問卷調查法進行資料收集，所使用研究工具包括「共依附量表」、「人際親密能力量表」及「親密關係量表」。調查結果分別以單因子多變項變異數分析，調整α的單因子變異數分析，及典型相關等統計方法進行處理。本研究主要發現如下：1.不同性別大學生的共依附特質、人際親密能力及親密感有明顯差異。2.大學生的共依附特質與人際親密能力之間有典型相關存在。當大學生共依附特質越高，其主動能力越高，負向決斷能力與情緒支持能力越低。3.大學生的共依附特質與親密感之間有典型相關存在。當大學生共依附特質越高，其認知親密及休閒親密越低。4.大學生的共依附特質、人際親密能力與親密感之間有典型相關存在。當大學生共依附特質越高，且主動、負向決斷、自我坦露、情緒支持與衝突處理能力越低時，則情感的親密、認知的親密、社交的親密、休閒的親密、身體的親密及精神的親密都越低。

The Purpose of the study was to investigate the relationships among codependency, intimacy competency, and intimacy. The sample consisted of 425 college students who have had fallen in love and is falling in love from14 universities in Taiwan (140 males, 244 females). Instruments used in this study included Codependency Assessment Scale, Intimacy Competency Scale and Intimacy Scale. Data obtained in this study were analyzed by MANOVA, ANOVA by adjusting a and Canonical Correlation Analysis. The main findings were as follows: 1.Gender differences on Codependency, Intimacy Competency and Intimacy.2. The canonical correlation between college students' codependency and their intimacy competency showed that when the students had more codependency, they had higher competency in initiation and lower competency in emotional support and negative assertion.3. The canonical correlation between college students’ codependency and their intimacy showed that when the students had more codependency they had lower intellectual intimacy and recreational intimacy.4. The canonical correlation between college students’ codependency, intimacy competency and intimacy showed that when the students had more codependency and lower intimacy competency in initiation, negative assertion, disclosure, emotional support and conflict management, they have lower emotional intimacy, intellectual intimacy, social intimacy, recreational intimacy, bodily intimacy, and spiritual intimacy. Finally, implication of the study of guidance for establishing intimate relationships and future research were proposed.