Provided is a box-type portable bicycle capable of being pushed and provided with a four-connecting-rod foldable body. The box-type portable bicycle capable of being pushed and provided with the four-connecting-rod foldable body comprises the body, a front fork, a V-shaped foldable handlebar, a saddle, a front wheel, a rear wheel, a bicycle box and a driving mechanism. The body is the four-connecting-rod foldable body which is composed of a front tube fitting, an upper cant beam, a lower cant beam and a rear vertical beam. A bottom blade of a lower saddle tube is connected with the rear end of the upper cant beam in a rotating mode, is connected with the upper end of the rear vertical beam in a rotating mode, and can be connected with the upper cant beam in a locked mode, the front fork is connected with a circular tube hole of the front tube fitting in a rotating mode, the V-shaped foldable handlebar is installed in a front fork tube of the front fork, a left handlebar and a right handlebar of the V-shaped foldable handlebar can be connected with each other in a locked mode, a handle which can be used for lifting is arranged at the front end of the bicycle box, and a swivel hook and a fastener are connected with the rear portion of the bicycle box. After the body is folded, the swivel hook of the bicycle box hooks the fastener of the bicycle box, and the folded body can be limited in a box body. The driving mechanism comprises a center shaft, a secondary shaft, cranks, pedals, a preceding stage chain wheel, a preceding stage small chain wheel, a subsequent stage chain wheel, a flywheel, a preceding stage chain and a subsequent stage chain.