Elderly people standing assisting assembly and foldable household elderly people standing assisting device

The invention discloses an elderly people standing assisting assembly and a foldable household elderly people standing assisting device. The elderly people standing assisting assembly comprises a supporting mechanism, a height adjusting mechanism and an auxiliary standing mechanism, and the height adjusting mechanism is fixed to the supporting mechanism; the auxiliary standing mechanism comprisesa vertical plate, a guide rod, a first sliding block, a handle device, a first connecting rod, a second connecting rod, a connecting device and a seat; the vertical plate is fixed to the height adjusting mechanism; the guide rod is fixed to the supporting mechanism; the axial direction of the guide rod is the same as the extending direction of the vertical plate; the first sliding block sleeves the guide rod and can slide along the guide rod; and the handle device is fixedly connected with the first sliding block. The beneficial effects of the invention are that the height of a seat is adjusted to be equal to the heig