Abstract: The Tangjiaping granite?porphyry type molybdenum deposit in Shangcheng County of Henan Province is a typical granite?por?phyry type molybdenum deposit with ultra?acid, alkali?rich and K?high characteristics. Molybdenum mineralization is closely related to potash alteration and silicification. Relatively strong Mo anomaly is consistent with the extent of the molybdenum deposit, and ΔT ex?hibits relative negative magnetic anomaly. Based on geological, geophysical and geochemical characteristics, the authors established an integrated ore?prospecting model for the granite porphyry type molybdenum deposit and, on such a basis, found a semi?concealed large molybdenum deposit and objectively evaluated quite a few Mo anomalies in China, thus achieving fairly good application results.