Among various drilling methods, hydraulic impact rotary drilling is characterized by its high efficiency, good quality, long cycle times, few accidents, and low costs. The Hydraulic down-hole hammer is the technological core of hydraulic impact rotary drilling. This article organizes the structural features of various Hydraulic down-hole hammers and explores the various drilling tools derived from their combination with wireline coring drill tools and downhole motor drilling tools. It briefly introduces typical application cases of this technology, summarizes and generalizes its future development direction and technical challenges, with the aim of promoting the advancement of hydraulic impact rotary drilling technology.