This research aimed to study and test the impact of Joint Audit and Audit Committee's Characteristics (Audit Committee's Size, Audit Committee's Independence, Audit Committee's Meetings, and Audit Committee's Experience) on Earnings persistence for the Egyptian listed companies, using a sample of (121) non-financial companies listed on the Egyptian Stock Exchange belongs to (16) economic sectors, with a total of (726) observations during the period from 2015 to 2020. The results of this research find: There is no significant impact of joint audit on Earnings persistence, a positive and significant impact of each of (audit committee's size, audit committee's meetings, audit committee's experience) on Earnings persistence, a negative and significant impact of audit committee's independence on the Earnings persistence, a negative and significant interactive impact of joint audit and audit committee's size on Earnings persistence, a positive and significant interactive impact of joint audit and audit committee's independence on Earnings persistence, a negative and significant interactive impact of joint audit and audit committee's experience on Earnings persistence, and there is no significant interactive impact for joint audit and audit committee's meetings on Earnings persistence.