The application of large quantities of glass wall in modern buildings challenged fire safety design, verification and acceptance. Regulations of glass wall in traditional fire code were analyzed and its advantages and disadvantages were summarized in this paper. By using performance-based fire safety design concept, fire prevention performance evaluation of glass wall was studied. Performance criteria and heat transition calculation method were put forward, and an example of evaluation of glass wall in an exhibition center was showed. The result of evaluation would provide reference to fire safety design, verification and acceptance.