The disclosure discloses a method of manufacturing a curved display, a curved display and a display. The method for manufacturing a curved display includes: acquiring a flat display including a to be bent portion; performing a shrink treatment on the to be bent portion of the flat display; bending the to be bent portion of the flat display after the shrink treatment, to form the curved display. The present disclosure performs a shrink treatment on the to be bent portion before bending the display, and then the display is bent so that it can avoid uneven display of the bent portion and reduce the surface strength of the bent portion, the display effect of the display can be maintained, and the life of the display can be improved.