Adjustable foldable integral table and chair

The utility model discloses an adjustable and foldable table and desk, which belongs to novel table and chair furniture technology field. The design adopts an iron and wood structure or an iron and plastic structure, and casings which are thick outside and thin inside are arranged at bottoms of all table legs and chair legs made of steel pipes, and an adjusting hole is arranged on a casing wall which has two layers of the inner layer and the external layer, into which an iron nail is inserted to fix the table and chair when the height is adjusted to form the height-adjustable table and chair; and a backrest frame and a backrest are folded together after being used, and the chair is moved backward, a lacing wire is opened to assemble with front legs of the chair via a guide movable shaft and then is pushed into the lower end of the table via a clipped pad arranged between the table legs and the chair legs, thus the chair is folded; and the table comprises a fan-shaped table box, a cover for the table box, a mo