Abstract: This article was written to sum up and unscramble the standards and technical specifications on which the construction of biosafety laboratories are based，and make a good discussion on the design and specific details for the construction of biosafety laboratories in terms of the status quo of the construction of biosafety laboratories，and the experience and lessons in the construction of P3 biosafety laboratories in some institutions concemed at home，with my personal experience shared，in the hope those who are being or going tO be involved in the project are enlightened，putting the theories into practice．