Low Energy Adaptive Clustering Hierarchy (LEACH) is a network of wireless sensors made up of tiny sensor nodes that are capable of sensing, processing, and transmitting information and feedback. These sensor nodes are distributed at random in a sensing environment or sensor field to sense real-world phenomena like heat, moisture, humidity, sound, vibration, etc., and then aggregate and send to the base station (BS). The significance of energy energy-effective routing algorithm has risen, since the energy constrain is the major factor affecting sensor nodes. To control and manage the energy consumption of sensor nodes, a significant number of techniques have been proposed by various scholars. This review paper presents published works that have been proposed for increasing the lifespan of wireless networks at the very beginning of this paper, a brief overview of Wireless networks, its architecture working and the problems associated with it are discussed. After the detailed overview of the approaches that have been presented for overcoming various limitations of current wireless systems. Lastly, in the conclusion of this paper the reviewed results were compared with earlier techniques, the results thus far show a notable improvement in the node mortality rate and network lifetime.