In general, quality is a "good state of being. What is quality of life (QOL)?living(life) is a good state of affairs, and an individual's ownliving（The perception of how fulfilled and satisfied one is with one's life.
The World Health Organization (WHO) defines quality of life as an individual'slivingIt is defined as being based on an individual's perceptions derived from his or her relationship to personal goals, expectations, standards, and interests in the culture and values in which he or she lives. It is physical health, psychological status,independencedegree, social relationships, and personal beliefs,environmentThe report states that the relationship between the two is influenced by the relationship between the two.
In addition, more recently, subjective wellbeing (happiness,livingSatisfaction, morale, and self-esteem,self-conceptThe quality of life is also said to be related to the sense of coherence and cohesion.
In quality of life, the level of health from an individual's perspective and daily and sociallivingThe focus on the functioning of the body is called health-related QOL (Health-related QOL). Individuals perceive and expect different things to be important in their lives, and those that focus on the sense of accomplishment and satisfaction of what individuals consider important are referred to as IQOL (Individualized QOL).
In the field of health care, the outcome has traditionally been the cure of disease, but QOL is also increasingly being emphasized as an outcome measure.nursingThen, let's take a look at the personablelivingand achievement and quality of life in mind,nursingIt will be important to assist those who are eligible for

References
(1) A. Bowling: Measuring Health ; A Review of Quality of Life Measurement Scales 2nd edition, Buckingham, Open University Press, 1997.
(2) P. Fayers , R. Hays (eds.): Assessing Quality of Life in Clinical Trials ;Methods and Practice 2nd edition, Oxford University Press, 2005.
3) Ikegami N, Shimozuma K, Fukuhara S, et al (eds.): QOL Evaluation Handbook for Clinical Practice, Igaku Shoin,2001.
4) Hinohara S. (Supervisor): QOL evaluation for nursing, Nakayama Shoten, 2003.