Breeding habits of Buff-throated Partridges(Tetraophasis szechenyii) were preliminarily observed from 2005 to 2008 at Pamuling Monastery in Yajiang County Sichuan Province.The birds built nests in the tree and on the ground,while 68% of the nests(n=25) were in the tree.Most birds laid eggs in April and egg size was 2-5(n=9).The hatching success rate of 12 nests was 63.89%.The female left nest once a day with duration of 63.0±22.6 min(n=18).Nestlings hatched in 24-29 days(n=4).Chicken weight neatly reached as heavy as the adult in 150-day.The birds flew down from the roosting tree between 6:30 and 7:00 and were back between 19:00 and 19:30.