The utility model relates to a safety guard rail structure of a hospital bed.A plurality of guardrail brackets are arranged on two sides of a sickbed.Each guardrail bracket has a fixed frame.Through different first,The two connecting seats are respectively connected and fixed on the side of the hospital bed.One side of the fixed frame is pivoted with an inner base and two parallel outer frames.The other side of the inner seat and the two outer frames are pivoted on a rail frame which is combined with the preset guardrail.Two sides of the inner seat are provided with long guide grooves.And an intermediate cross bar held by an elastic element is arranged inside.The two ends of the middle cross bar protrude outside the inner seat through the long guide groove.A symmetrical guide slide block is respectively arranged on one side of the second outer frame close to the inner seat.A straight guide groove with a side opening is arranged in the guide slider.And the two ends of the middle cross bar are extended into the straight guide groove to form a clamp.One end of an operation board is pivoted to the inner seat.And two lateral convex parts are horizontally arranged in the middle part to extend into the inner seat.A tension belt is arranged between the two side convex parts and the middle cross bar.When the operating plate is pivoted under force,The middle cross bar can be moved by the tension belt to slide.The two ends of the middle cross bar slide along the straight guide groove and separate from the guide slider through the side opening.In order to release the locking of the inner seat and the outer frame,The inner base and the outer frame can pivot to make the rail frame and the guardrail fold down.一種病床安全護欄結構，係於一病床二側設有複數護欄支架，各護欄支架具有一固定架，可經由不同的第一、二銜接座分別連接固定於病床旁側，固定架一邊側樞接一內座及二平行的外架，該內座及二外架另一邊側樞接於一與預設護欄相結合之欄架上，該內座二側設有長導槽，且於內部設有一受彈性元件拉持的中間橫桿，該中間橫桿二端部分別穿過長導槽凸伸於內座外，二外架接近內座一側分別設有一對稱的導滑塊，導滑塊內設有一具側開口之直導槽，且該中間橫桿二端部係伸入該直導槽內形成卡掣，一操作板一端樞接於該內座，且於中段橫設有二側凸部伸入該內座，二側凸部與中間橫桿之間設有一拉帶，當操作板受力
