An articular fossa prosthesis, disposed in a target bone and comprising an outer cup and a lining, wherein the outer cup is disposed in the target bone, the lining is disposed in the outer cup, a first communicating passage is disposed on the outer cup, an inlet of the first communicating passage is disposed on the surface of the outer cup, and an outlet of the first communicating passage is disposed on a surface, contacting with the lining, of the outer cup, wherein the articular fossa prosthesis is an acetabular prosthesis, the first communicating passage comprises a first tubular passage and a first grooved passage, the first tubular passage is disposed in the outer cup, an inlet of the first tubular passage is disposed on an end face of the outer cup, the first grooved passage is disposed on an inner surface of the outer cup, at least part of outlets of the first tubular passage are disposed in the first grooved passage; characterized in that a second communicating passage is disposed on the lining, a part of inlets of the second communicating passage are disposed on a surface of the lining, a part of inlets of the second communicating passage are disposed on a surface, contacting with the outer cup, of the lining and communicated with the first communicating passage, outlets of the second communicating passage are disposed on a surface, contacting with an adapted articular head structure, of the lining, and the second communicating passage guides a synovial fluid to a contact surface between the lining and the articular head structure; the second communicating passage comprises a second tubular passage, the second tubular passage is disposed in the lining, inlets of the second tubular passage are disposed on an end face of the lining and the surface, contacting with the outer cup, of the lining, and an outlet of the second tubular passage is disposed on the surface, contacting with the adapted articular head structure, of the lining. a first communicating passage is disposed on the outer cup, an inlet of the first communicating passage is disposed on the surface of the outer cup, and an outlet of the first communicating passage is disposed on a surface, contacting with the lining, of the outer cup, wherein the articular fossa prosthesis is an acetabular prosthesis, the first communicating passage comprises a first tubular passage and a first grooved passage, the first tubular passage is disposed in the outer cup, an inlet of the first tubular passage is disposed on an end face of the outer cup, the first grooved passage is disposed on an inner surface of the outer cup, at least part of outlets of the first tubular passage are disposed in the first grooved passage; characterized in that a second communicating passage is disposed on the lining, a part of inlets of the second communicating passage are disposed on a surface of the lining, a part of inlets of the second communicating passage are disposed on a surface, contacting with the outer cup, of the lining and communicated with the first communicating passage, outlets of the second communicating passage are disposed on a surface, contacting with an adapted articular head structure, of the lining, and the second communicating passage guides a synovial fluid to a contact surface between the lining and the articular head structure; the second communicating passage comprises a second tubular passage, the second tubular passage is disposed in the lining, inlets of the second tubular passage are disposed on an end face of the lining and the surface, contacting with the outer cup, of the lining, and an outlet of the second tubular passage is disposed on the surface, contacting with the adapted articular head structure, of the lining.