Grape delayed harvest is the key technology for comprehensive utilization of facilities protection cultivation to grape harvest，using the fruit tree manner in vitro physiological preservation，avoiding the two pollution，can maximize the recovery time，meeting the grapes anniversary equilibrium market supply，and it is a kind of advanced and practical technology to increase production，improve quality，ensure safety，reduce cost and increase income.Through the application results of the key technologies of grape delayed harvest in Xinjiang northern area of fresh grape planting zone，the construction of grape delayed harvest key technology demonstration and extension，the effects of delayed harvest key technology to promote the Xinjiang grape industry optimization and upgrading of grape were described，for provide a reference for production.