Generally, virtual environment presence may be described as the subjective perception of experiencing oneself as being in a computer-generated environment rather than in one抯 actual physical location.

The paper discusses the human factor design ideas about telepresence in a synthetic env.

The components of virtual environment and human-machine interactive technology are introduced, and the structure of virtual expert system is presented.

According to the criterion of ship, cabin model is built by the software of AutoCAD,firstly, the genetic algorithm is used to lay out the cabin,and then on the base of the scene simulation which is carried out by the software of Creator and Vega, according to the mannequin, the optimal aim to lay the cabin is realized by the "human" operating the equipment.