PURPOSE: To provide a coffee maker easy to eject and wash out dregs after extraction and use immediately for the following extraction.

CONSTITUTION: A full automatic type coffee maker comprises in a sheathed case 1 a roasting device for roasting coffee beans, a cooling means for cooling the beans roasted by the roasting device, a milling means for milling and supplying the beans and a heating-supplying means for heating and supplying water from a water tank. A space S for mounting a decanter 3 to receive coffee liquid is composed in a part of the sheathing case, and the space C is provided on the ceiling section of the space with a milled beans dropping and supplying port, heated hot water dropping and supplying port and locking means 4 for locking removably a filter basket 2 to receive the beans and hot water dropped and supplied for dripping.