The Jiajika superlarge Lipolymetal deposits located in western Sichuan province was previously regarded as a pegmatite spodumene deposit.After drilling verification in 2018, especially the detailed study of drill core from the ZK801 drilling in the Yakoko mining area, southeast Jiajika, it is found that the lithium mineral in the Yakoko mining area is not only spodumene, but also amblygonite; ores are not limited to pegmatite, but also appear in fine granite; more common are spodumene, amblygonite and other rockforming minerals (feldspar, quartz, mica etc.). It is obviously different from the standard pegmatite in the crystalline rocks, which together form near equal grain size or irregular shape, but generally the mineral particle size is not up to the degree of pegmatite. Therefore, the industrial orebodies in Yakoko mining area mainly belong to granite type rather than pegmatite type, the ore body is mainly metasomatic and filling, the ore type is mainly fine crystal, and the pegmatite is rare. The ore mineral is mainly spodumene, and the mineralized zone is not obvious, and there are very complex structural zones in the part, and the ore mineral is mainly composed of spodumene, such as the complex vein composed of “spodumene pegmatite+amblygonite spodumite granite” and “amblygonitebearing spodumite granite+quartz microplagioclase pegmatite+quartz vein”. The discovery of this nontraditional mineralization type makes up for the singleplay situation of “pegmatite spodumene” in hardrock lithium deposits, and widens the thinking of ore prospecting. At the same time, it also provides an example for finding the basement of largescale layered rare metal orebody in the deep part of pegmatite vein.