Foldable and movable carrier

A foldable and movable carrier, comprising:

• a locking mechanism having a locked state and an unlocked state;
• a first rod provided with a first mating portion;
• a second rod pivotally connected to the first rod, and the second rod being provided with a second mating portion detachably mating with the first mating portion;
• and
• a third rod pivotally connected to the first rod through the locking mechanism, wherein when the locking mechanism is in the locked state, the first rod, the second rod, and the third rod are relatively fixed;
• when the locking mechanism is in the unlocked state, in responding to the first mating portion mating with the second mating portion, the first rod, the second rod, and the third rod are relatively fixed, in responding to the first mating portion and the second mating portion being releasing from mating, the first rod is capable of rotating relative to the second rod and the third rod, so as to fold or unfold the movable carrier.