In the past year, due to the outbreak of the epidemic, remote office has become hot, unlike the previous scene, many employees choose home office. This paper takes the centralized place of office learning at home as an example, and uses JACK ergonomics virtual simulation to evaluate office environment. In the paper, we use the viewshed analysis, ovako working posture, static strength prediction, lower back analysis, and metabolic energy expenditure to analyse whether there are ergonomic problems in the current office environment, and puts forward improvement measures and suggestions to provide reference for better home office and create a good home office environment. The result is that ovako working posture, metabolic energy and lower back analysis meet the requirements. The improvement measures and suggestions were given for the risks of visibility, knee and ankle.