M.Cur. (Psychiatric Nursing) / In local communities, young people use different substances for reasons known to them alone. This research study is about young people who are aged between 18 and 30 years, who smoke cannabis and are mentally ill. Mostly the parents of these young people, as well as other members of the family, the neighbours and the community at large experience many challenges resulting from cannabis smoking. The objectives of this study were to explore and describe the experiences of parents living with mental health care users smoking cannabis and to issue guidelines for the advanced psychiatric nurse practitioner to facilitate the mental health of parents living with mental health care users smoking cannabis in the context under study. A qualitative research design that was exploratory, descriptive and contextual was followed to achieve the aim and objectives of the study. Purposive sampling was used for sample selection based on inclusion criteria. The number of participants selected for this study was guided by data saturation. The total number of participants selected for this study was seven. The data collection methods used were phenomenological interviews, observation and field notes. In the phenomenological interview, the participant was asked: “How is it for you living with a mental health care user smoking cannabis?” The phenomenological interviews were audiotaped and transcribed. The researcher and an independent coder analysed the transcribed phenomenological interviews and field notes. The researcher used Tesch’s method of data analysis (Creswell, 2007:157) in analysing the data. The measures to ensure trustworthiness in this study include credibility, dependability, confirmability, transferability and authenticity. The seven ethical principles of competence of the researcher, right to self-determination, right to privacy, right to autonomy and confidentiality, right to protection from exploitation and obtaining informed consent guided this study ...