Two pairs of primer are designed: Pl/P3 is an idiocratic primer for pine wood nematode; P2/P3 an idiocratic primer for quasi pine wood nematode. The kit includes 1.25ml solution I,1ml solution II, 100U tag enzyme, and 50ul for each contrapositive DNA of wireworm. The solution I is as following constitutes: Worm Lysis Buffer, 500mM KCl, 100mMTris-ClpH 8.0, 15mM MgCl2, 10mMDTT, 4.5% Tween20, 0.1%gelatin, 0.2ug/ul protease K. The solution II is as following constitutes: 2xPCR reaction Buffer, 4.0mM MgCl2, 0.2mM dNTP, 0.8 mu MP1, P2, P3. The invented kit possesses high specificity, sensitiveness and stability, providing fast, sensitive and specific technical method.