The word “stigma”, deriving from the Greek verb στiζειν(to sting), was used during the classical period to indicatethe mark made with a spike on the forehead of a slavewhen he was found guilty of an offence, on the arm of aconscript recognized as suitable for serving the military,on the body of criminals and other people identified asconvicts. Stigma is a fundamental barrier to individuals seeking out mental health treatment in the Middle East. According to epidemiological studies conducted in Europe and in the United States, mental illnesses are common characteristics of our urban societies. Their frequency is estimated at almost one fourth of the general population in most countries. Aim of the study: This study aims to assessment the dimensions of stigma and social tolerance and examine its correlates in the younger, population of in Makkah Al-Mokarramah city. Method: cross sectional study conducted at secondary and intermediate schools at in Makkah AlMokarramah city in 2021. Sample population consists the participants were youths aged 12–20 years old residing and studying in Makkah Al-Mokarramah at the time of data collection. Our total participants were (400) .Results:is a significant relation between age and Physical danger, Class thinking, Personal space where Respectively (P-value=0.032, 0.000, 0.029) and r Respectively (0.108, 0.183.) while no significant relation between age and Optimistic thinking, Avoid naming (stigma), Social side, Social Responsibility where Respectively (P-value=0.256, 0.000, 0.930, 0.059, 0.213) (less than significant level 0.05) and r Respectively (0.058, -0.004, 0.096, 0.063) Conclusion: We propose the following initiatives to reduce stigma toward mental illness in the KSA: Health education to families to enable them to support their affected relatives, Increase cooperation between psychiatrists and faith healers and Health education programs to the young people in schools to increase their awareness and understanding of mental illnesses and to combat negative stereotypes.