Family is one of the main elements in providing health care to patients (
1). The role played by the family for the patients, in the nursing program, must to be taken as important as the role of the patients (
2,
3). Clearly, having a clear understanding of the family needs and attenuating stress as well as anxiety in the family entails with employing different techniques by the nurse (
4-
6). According to the Iran society of anesthesia and critical care (2011), about 1.5 - 2 million are admitted to hospitals every year due to road accidents, stroke, and the like; 30% of them are hospitalized in the ICU. Usually, finding the loved ones in the critical and stressful situation of an ICU with all those complicated machines attached to the patient is stressful and increases mental and spiritual pressures on the family (
7). The patients in the ICU are in critical condition or in a highly risky situation and need special attention (
8-
10). This situation can be a cause of sorrow, hopelessness, and loss of ability in the family (
11-
13). There have been many studies to uncover the factors that may help people in stressful situations or prevent sustaining more damages under severe pressure. One of the main abilities that make adaptation to risk factors easier is resilience. Resilience and resilient behavior, potentially, help people overcome their negative experiences and convert them into positive ones (
14-
18). Through attenuating emotional problems, resilience improves satisfaction in life (
19,
20). It is a dynamic process featured with positive adaptation to unpleasant and hard situations. The key beliefs effective on resilience in the family are categorized into 3 categories including attempts to find a meaning for the disaster, create a positive outlook, and developing higher beliefs and spirituality (
21). Spiritual atmosphere in Muslim families, directly and through improving quality of communication, results in higher resilience and better management of family affairs. Several recent studies have highlighted the role of spiritual and religious beliefs in the resilience of family. Spiritual beliefs are both personal and community matters (
21-
23). Through realization of peace of mind and relief from mental pressures caused by the disease, spiritual interventions facilitate the process of treatment and recovery indirectly. People in different cultures tend to seek help from a holy and divine source in hard situations when they feel more need for spirituality in hardships (
24-
29). Studies have shown that spirituality and spiritual beliefs improve one’s ability to deal with diseases or facilitate the recovery process. Leading a healthy life entails with a balance among all aspects of health viz. physical, social, mental, and spiritual; therefore, studying physical, mental, and social aspects minus spiritual aspect would not be fruitful (
24). In general, spiritual care in the nursing profession is a unique feature of health care, which cannot be replaced by religious, mental, and social health cares as it answers fundamental needs like meaning of life, pain, hardships, and death (
30-
38). Along with other nursing interventions, spiritual intervention creates a balance between physic, psyche, and spirituality toward acquiring a complete and comprehensive health. This means that nurses need to pay attention to spiritual needs as a part of society-based health care (
31,
38,
39).