Astronomy　cloud　computing　environment　is　a　cyber-Infrastructure　for　Astronomy　Research　initiated　by　Chinese　Virtual　Observatory　(China-VO)　under　funding　support　from　NDRC　(National　Development　and　Reform　commission)　and　CAS　(Chinese　Academy　of　Sciences).　Based　on　virtualization　technology,　astronomy　cloud　computing　environment　was　designed　and　implemented　by　China-VO　team.　It　consists　of　five　distributed　nodes　across　the　mainland　of　China.　Astronomer　can　get　compuitng　and　storage　resource　in　this　cloud　computing　environment.　Through　this　environments,　astronomer　can　easily　search　and　analyze　astronomical　data　collected　by　different　telescopes　and　data　centers,　and　avoid　the　large　scale　dataset　transportation.