The bed mechanism described in the present invention comprises a first bed frame, and the first bed frame is disposed on the first bed frame.a second bed frame, a footboard disposed on the second bed frame, and the position of the bed is changed by the relative position of the first bed frame, the second bed frame and the tail plate The original flat shape is folded into a structure that can assist the patient to get out of bed.本創作所述之下床機構乃係包含了有一第一床架，一設於該第一床架上之第二床架，一設於該第二床架上之床尾板，並藉由該第一床架、該第二床架與該床尾板彼此之相對位置變換，使該下床機構可由原本平板狀摺疊成可輔助病患下床之構造。
