Title: Maternal and infant diet of Nursing Research ABSTRACT Objectives: In this paper, the post-natal care and baby food diet nursing general law is studied, in order to correct maternal diet and also providing the clinical reference guide. Methods: This study analyze the structural conditions of post-partum women, the breast milk secretion of post-natal women, three-month-old baby of their different feeding methods, ,and if have an immediate supplementary food feeding, through the analyzing in order to look for a more scientific and reasonable diet program. Results: The results show that maternal post-natal nutrition conditioning should be strengthened,this is not only beneficial to the body's rapid recovery, but also can increase the secretion of the amount of emulsion;infant feeding beneficial to the rational development of their physical health. Conclusion: Postpartum better nutrition can increase the secretion of the amount of emulsion; 0-4 month-old infant the best way of feeding is breastfeeding; baby 4-6 months should be started to add the appropriate complementary feeding.