父母子女在社會支持網絡的角色既重要又困難：代間交換工具性與情感性資源跨越社經地位、社會變遷與地理距離；同時，提供支持給親屬是自我維持困難關係的社會機制，逃避親密的人是一個普遍存在的現象，特別是那些讓我們覺得困難或具有權力地位的角色。為了解台灣成年子女與父母進行代間交換的頻率如何與父親、與母親的關係產生負向關連，本研究使用「臺灣社會變遷基本調查計畫2021第八期第二次：家庭組」資料庫進行檢驗。研究發現：一、不論是與父親或與母親關係如何，工具性交換皆以不對稱交換為主，情感性交換在關係好與不好的分布中則略有差異；二、成年子女較常與父母交換工具性資源容易與父親出現負向關係，與母親則無關聯；三、成年子女較常與父母交換情感性資源容易與父親出現負向關係，與母親則無關聯。代間依循角色制約交換出現了非預期的結果，代間交換與負向關係的關聯值得更多關注。

While the role of kin in social support networks is important, providing support to kin is difficult. Using " 2021 Taiwan Social Change Survey: Family group " database to test the correlation between intergenerational exchanges and the relationship of adult children and their parents. First, regardless of the relationship with their parents, asymmetric exchange is the main form in instrumental exchange, while as to emotional exchange, asymmetric exchange accounts for a higher proportion in worse relationships; Second, adult children who frequently exchange instrumental resources with their parents are more likely to develop negative relationships with their fathers, but not with their mothers; Third, adult children who frequently exchange emotional resources with their parents are more likely to develop negative relationships with their fathers, but not with their mothers. Since intergenerational exchange based on role constraints has unexpected results, the association between intergenerational exchange and negative relationships deserves more attention.