The patient's decision whether or not to undergo treatment depends on the severity of the treatment and how it will affect the patient. The nurse's ethical dilemma is whether to respect the family's idea of ​​not informing the patient or follow the law regarding the patient's right to know the truth. The nurse knows that her responsibility is to protect the patient's safety and that is why making the decision to tell the truth to the patient knowing that it will affect him makes it so difficult. It is essential that nurses know the rights of the patient's family members