Abstract: Objective To investigate the incidence of pregnancy complications among maternal near miss in Ningxia Hui Autonomous Region, in order to provide evidence for reducing maternal mortality ratio(MMR) and improve health professionals' ability to rescue critically ill pregnant women.Methods The situation of perinatal health care, pregnancy complications, critical illness and delivery reported by maternal case report form from 13 surveillance hospitals in Ningxia Hui Autonomous Region, 2020 were analyzed retrospectively.Results A total of 24 087 pregnant women were involved. The top 5 pregnancy complications were anemia(286.84‰), gestational hypertension(73.53‰), gestational diabetes(46.42‰), uterine inertia(40.15‰) and placental abruption(7.43‰),respectively. The incidence of anemia, gestational hypertension and uterine inertia in rural areas was higher than that in urban areas, while the incidence of gestational diabetes and placental abruption in urban areas was higher than that in rural areas.Conclusion Maternal mortality can be further decreased by strengthening maternal health care, improving obstetricians' ability to identify pregnancy complications and high-risk factors, strengthening the ability of primary care institutions to rescue parturients, carrying out health education, and establishing scientific and reasonable diet concepts.