Abstract: A milk powder container including a cylindrical bottle formed with threads at a lower end and a threaded neck at an upper portion, the cylindrical bottle having a top end formed with a semi-circular opening and a first semi-circular groove under the top end, a bottom cover threadedly engaged with a bottom of the cylindrical bottle, a control knob having a second semi-circular opening, a protuberance at a bottom adapted to the first semi-circular groove, and a lug at an outer side, an adjusting annular member formed with threads at an inner surface adapted to engage the threaded neck of the cylindrical bottle, a first groove at an upper portion of the inner surface, and a second groove at an outer surface, a retainer ring engaged with the second groove of the adjusting annular member, a cup formed at a lower edge with a flange adapted to fit into the first groove of the adjusting annular member, a longitudinal ear at an outer side with a corresponding slot at an opposite side adapted to receive the lug of said