This study explores the expectations on the role “daughters-in-law” play in theirfamilies when there are elder people who need to be taken care of, how they perceivethese expectations, and how their perception further turns into actions when doingfamily care tasks. This study also discusses family members’ cultural expectations ondaughters-in-laws when they play the role of caregivers, positions of daughters-inlawsas home caregivers in their families, and influences of daughters-in-laws ashome caregivers on parents-daughters-in-law relations. And 4 relationship structuresof care tasks are summarized, including “obligatory nursing relationship”, “intimatecaring relationship”, “supportive helping relationship”, and “power dependencyrelationship”. Among them, the true affection of “intimate caring relationship” and“supportive helping relationship” is over the due affection of them, while the dueaffection of “obligatory nursing relationship” and “power dependency relationship” isover the true affection of them. Lastly, this study comes up with 4 conclusions: (1)The traditional filial piety has been changing. And the value of it has changed with it.(2) The concept of “caregiver alliance” has replaced “main caregiver”. (3) For thedifference between the demands of caregivers and those being cared, other familymembers rather keep neutral. (4) Expectations on family caregivers change with thestructure of family relationship.