This article provides an overview of advanced materials for NH₃ capture, focusing on interaction sites and transport pathways. It discusses the classification, working principles, design ideas, and structure-property relationships of materials used for NH₃ capture. The review highlights four typical methods: solvent absorption by ionic liquids and their derivatives, adsorption by porous solids, ab-adsorption by porous liquids, and membrane separation. The article details the recent advancements in these materials, including functional solvents, porous solids, porous liquids, and emerging membranes. It also addresses the challenges and future directions in NH₃ capture, emphasizing the need for green technologies and the development of advanced materials. The review covers the design principles, interaction sites, and transport pathways of these materials, providing a comprehensive analysis of their performance and potential applications.This article provides an overview of advanced materials for NH₃ capture, focusing on interaction sites and transport pathways. It discusses the classification, working principles, design ideas, and structure-property relationships of materials used for NH₃ capture. The review highlights four typical methods: solvent absorption by ionic liquids and their derivatives, adsorption by porous solids, ab-adsorption by porous liquids, and membrane separation. The article details the recent advancements in these materials, including functional solvents, porous solids, porous liquids, and emerging membranes. It also addresses the challenges and future directions in NH₃ capture, emphasizing the need for green technologies and the development of advanced materials. The review covers the design principles, interaction sites, and transport pathways of these materials, providing a comprehensive analysis of their performance and potential applications.