A bean grinding machine comprising: a base seat ; a bean container mounted on said base seat for containing beans to be ground; and a grinding mechanism , wherein: said grinding mechanism is removably mounted on said base seat , and includes a first grinding member and a second grinding member which are rotatable relative to and cooperate with each other to define a grinding space for receiving the beans introduced from said bean container ; said grinding mechanism including a mounting frame on which said first and second grinding members are mounted, said first grinding member being disengageable from said mounting frame ; characterized in said bean grinding machine further comprising a locking mechanism which is disposed on said base seat to lock said grinding mechanism to said base seat , said mounting frame having a first anchoring member , said locking mechanism including a second anchoring member which is disposed to be movable relative to said base seat between a locking position, where said second anchoring member is engaged with said first anchoring member to retain said grinding mechanism on said base seat , and an unlocking position, where said second anchoring member is disengaged from said first anchoring member so as to permit disengagement of said grinding mechanism from said base seat . a base seat ; a bean container mounted on said base seat for containing beans to be ground; and a grinding mechanism , wherein: said grinding mechanism is removably mounted on said base seat , and includes a first grinding member and a second grinding member which are rotatable relative to and cooperate with each other to define a grinding space for receiving the beans introduced from said bean container ; said grinding mechanism including a mounting frame on which said first and second grinding members are mounted, said first grinding member being disengageable from said mounting frame ; characterized in said bean grinding machine further comprising a locking mechanism which is disposed on said base seat to lock said grinding mechanism to said base seat , said mounting frame having a first anchoring member , said locking mechanism including a second anchoring member which is disposed to be movable relative to said base seat between a locking position, where said second anchoring member is engaged with said first anchoring member to retain said grinding mechanism on said base seat , and an unlocking position, where said second anchoring member is disengaged from said first anchoring member so as to permit disengagement of said grinding mechanism from said base seat . said grinding mechanism is removably mounted on said base seat , and includes a first grinding member and a second grinding member which are rotatable relative to and cooperate with each other to define a grinding space for receiving the beans introduced from said bean container ; said grinding mechanism including a mounting frame on which said first and second grinding members are mounted, said first grinding member being disengageable from said mounting frame ; characterized in said bean grinding machine further comprising a locking mechanism which is disposed on said base seat to lock said grinding mechanism to said base seat , said mounting frame having a first anchoring member , said locking mechanism including a second anchoring member which is disposed to be movable relative to said base seat between a locking position, where said second anchoring member is engaged with said first anchoring member to retain said grinding mechanism on said base seat , and an unlocking position, where said second anchoring member is disengaged from said first anchoring member so as to permit disengagement of said grinding mechanism from said base seat . <EOS>