A garment steamer is disclosed. The garment steamer includes a base body including a steam generator for generating steam, a main body disposed at the upper side of the base body for moving the steam generated by the steam generator to the outside, a front press hingedly fixed to the lower part of the main body so as to be attached to and detached from the front surface of the main body, a stretching means disposed at opposite side surfaces of the main body so as to be unfolded outside the main body