In this study, nano ferrite materials were produced to replace costive industrial materials [1]. Ferrite nanoparticles are the interesting material due to their rich and unique physical and chemical properties. They find applications in catalysis, bio-processing, medicine, magnetic recording, adsorption, devices etc. Using co-participation method, five nano ferrite samples Zn 0.5 Mg 0.5−x Li 2x Fe 2 O 4 (x = 0.00, 0.10, 0.20, 0.30 and 0.40) were prepared. The electrical and optical properties of the Zn 0.5 Mg 0.5−x Li 2x Fe 2 O 4 samples were studied using the Ultraviolet-visible (UV-Vis) spectroscopy. The results verified that the formation of the absorption coefficient of the five samples of Zn 0.5 Mg 0.5−x Li 2x Fe 2 O 4 increased with the increase of Lithium (Li 2x). The energy band gap of the Zn 0.5 Mg 0.5−x Li 2x Fe 2 O 4 samples ranged from 3.28 to 3.12 eV [1]. The extinction coefficient (K) for five samples of Zn 0.5 Li 2x Mg 0.5−x Fe 2 O 4 increased with the increase of Lithium (Li 2x) at 338 nm from 0.074 to 0.207. The high magnitude of optical conductivity is (1.34 × 10 12 sec −1) and the maximum value of electrical conductivity is 42 (Ω•cm) −1. This may due to the electrical and optical properties of lithium.