Small scale chromite deposit was discovered in Kudi ophiolite, western Kunlun orogenic belt. Orebodies are in podiform and stratiform, which closely associate with dunite. These dunites consist of olivines and spinels. Dunites contain coarser olivines and lower Mg# olivine (88~90) than those in harzburgites, consistent with their low Mg# (less than 90) and relatively high Al2O3, TiO2, Cr2O3 and Fe2O3 in bulk rock composition when compared with harzburgite, indicating that they are likely the interaction product of melt/harzburgite, rather than residue of mantle peridotite after highly partial melting. Orebody is composed of massive, disseminated and veined chromitites, of which spinels have relatively uniform Cr# ranging from 43 to 56, lower than those of chromites in high Cr chromitite. In massive ores, they show sharp contact relationships between dunite envelop and chromitite with many silicates (e.g., olivine and pyroxene) as well as hydrous minerals (amphiboles) hosted in rounded spinel grains. In disseminated ores, spinel and olivine grains show interlocking texture, or cloud shape spinel aggregations directly contact with olivine along grain boundaries. The structures and textures of chromitites in Kudi ophiolite suggest that they were formed through melt/rock interaction. Based on systematic calculation and comprehensive analysis, we consider that the Al rich type chromitites of Kudi ophiolite are most likely to be interaction products of tholeiitic melt/mantle peridotites with the melt likely derived from back arc spreading ridge considering its high H2O content.