中文摘要：

子痫前期病因不明，孕期营养在降低子痫前期发病中的作用备受关注。早期防控有利于控制风险，改善母婴预后，产前施行营养干预和评估，保证其孕期各营养物质合理、足量的摄入，对预防子痫前期的发生具有重要临床意义，有待进一步的研究提供更多的证据。

英文摘要：

The preeclampsia is a pregnancy-specif- ic systemic disease. The cause of preeelampsia is un- known. We are concerned pregnancy nutrition in re- ducing the pathogenesis of preeclampsia. Control of risk factors for early prevention of eclampsia is help- ful. Early nutritional supplements can improve ma- ternal and fetal pregnancy outcomes.We should en- sure that all pregnant women during pregnancy rea- sonable and adequate nutrient intake. The preven- tion of the occurrence of preeclampsia has important clinical implications.We need further research to provide more evidence about the role of nutritional supplements during pregnancy in the prevention of preeclampsia.