Mout Huang is a famous 4-A scenic resort, but also a world natural and cultural heritage, and a word geographical park in China. Pinustaiwanensis Hayata is the most natural landscape and tourism resource in Huangshan Scenic Resort. The first Bursaphelenchusxylophilus broke out in Nanjing in 1982 has now come near to Huangshan Scenic Resort and brought great threat to the Pinustaiwanensis Hayata resource. This article analyzes the threat to Pinustaiwanensis Hayata from Bursaphelenchusxylophilus and also disc...