Salinity stress is one of the most destructive stresses in plants that has adversely affected many agricultural lands in the world. Salinity stress causes many morphological, physiological, epigenetic and genetic changes in plants by increasing sodium and chlorine ions in the plant cells. The plants can alleviate this disorder to some extent through various mechanisms and return the cell to its original state, but if the salt dose is high, the plants may not be able to provide a proper response and can die. Nowadays, scientists have offered many solutions to this problem. Nanotechnology is one of the most emerging and efficient technologies that has been entered in this field and has recorded very brilliant results. Although some studies have confirmed the positive effects of nontechnology on plants under salinity stress, there is no complete understanding of the relationship and interaction of nanoparticles (NPs) and intracellular mechanisms in the plants. In this paper, we have tried to reach a conclusion from the latest articles that how NPs could help salt-stressed plants to recover their cells so that we can take a step towards clearing the existing ambiguities for researchers in this field.