The invention provides a clothes management method and system, a washing machine and a server. The method comprises steps as follows: acquiring image information of cleaned clothes; acquiring clothes identification information corresponding to the image information according to a preset mapping relation; acquiring clothes cleaning time; establishing a mapping relation between the cleaning time and the clothes identification information and storing the mapping relation to a clothes cleaning list. A user can check the latest cleaning time of the clothes by checking the clothes cleaning list, so that the hygienic problem caused by the fact that the user wears clothes which are not cleaned for a long time is solved.