The　authors　have　done　research　on　Shiyan　Constructed　wetland　of　Shenzhen,　including　construction,　composition,　function,　characteristic　of　technology,　mechanisms　of　decontamination　and　process　of　synchronized　nitrogen　and　phosphorus　elimination.　According　to　the　operational　aspect　of　Shiyan　vertical　constructed　wetland,　this　paper　analyzed　the　treatment　effect,　removal　efficiency　and　economical　efficiency　of　engineering,　the　main　results　show　that　wastewater　treatment　by　using　vertical-flow　constructed　wetland　is　effective　and　will　be　extensively　used　in　the　future.