[Objective]The study aimed to provide theoretical foundation for exploiting bamboo resources including Phyllostachys nigra(Lodd.) Munro and enhancing the synthetic utilization rate of bamboo resources.[Method]With water as media,the water bath,microwave and ultrasonic methods were used to extract the extracts from P.nigra leaves and the bacteriostatic effects of extracts on Staphylococcus aureus,Escherichia coli,Bacillus subtilis and Micrococcus candidus were detected.[Result]The extracts from P.nigra leave...