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 . <EOS>