Business environment competitiveness is an important part of the core competitiveness of a country or region. Based on the assessment reports on urban business environment competitiveness of many domestic and international authoritative organizations；this paper systematically evaluates business environment competitiveness of Hangzhou in Zhejiang Province，from the nine dimensions of business soft environment，hard business environment，local elements，technological innovation，social inclusion，environmental resilience，economic vitality，global interconnections and living conditions. On this basis，three suggestions are put forward to promote the business environment competitiveness of Hangzhou.