Objective:To explore the patients' knowledge about psoriasis and the association of knowledge score with the socio-demographic variables among community population in Almadina Almonawara City. Method: This study (2016) was carried out among a sample of 461 subjects. The mean age of citizens was 28,82. To assess citizens' demographic factors and beliefs about Psoriasis, consenting citizens completed an anonymous online questionnaire. The data was entered and analyzed using SPSS version 20. Results:The sample is consisted of 65,8% women and 34,2% men. Among the respondents 7,7% reported suffering from psoriasis and 13,6% confirmed having a history of Psoriasis illness in their family.