The utility model relates to a multifunctional old people chair sofa with a simple base, which comprises the simple base and an old people chair sofa body, the simple base comprises a seat frame, a fixing piece, a locking piece, a bolt piece and a main support piece, and the base is simple and novel in structure, easy to manufacture, low in cost, practical in function and good in stability, and is matched with an electric mechanism for use. A functional chair sofa with a simple base for old people is composed of the simple base and a motor frame, armrest parts, a backrest, a seat part and a headrest in a chair sofa body for old people, the standing and sitting functions of the chair sofa for old people are achieved, the simple base at the bottom drives the whole chair sofa for old people to operate, and the simple base is designed to be high in front and low in back. Consumers can stand up and sit down more stably, and safety is higher.