Postpartum hemorrhage (PPH) is a leading cause of severe maternal morbidity and mortality worldwide. Early diagnosis and treatment are the key to improve the outcome for patients with PPH. Once PPH is highly suspected or diagnosed, the bundle implementation process, including careful assessment the causes of bleeding, evaluation of the severity, treatment for the causes and complications should be performed by a relevant multidisciplinary team immediately. This study has provided early recognition, assessment and treatment advice concerning PPH identification, evaluation and relevant treatment procedures based on the clinical studies, authoritative guidelines, and consensus all over the world with evidence-based medical evidence as reference, so as improve our understanding of PPH and increase relevant treatment success rate.