Based on the data of main elements, trace elements, isotopic geochemi- stry and high-temperature and high-pressure experimentation of lamprophyre from the Laowangzhai gold district, the present paper has summed up its genetic information. The genesis of lamprophyre is discussed in terms of original magma, composition of the characteristics source regioh, modeling of magmatic proccss,and genetic connection with alkali-rich intrusive rocks, with a genetic model established.