The innovative nanoparticles are very familiar for its widespread claims. The current research is carried out by albizzia lebbeck plants for using solid-lipid nano particles. The employed restrictions complex are contact time, pH, original absorption, amount of nano particle determination and contamination. The characterization modifications elaborate are FTIR and XRD. by means of albizzia lebbeck nano particle solution. The balance statement time obtained is 40 min. Like tendency also followed. The confident characteristics confirmed that albizzia lebbeck leaves along with stearic acid formed SLN nano particles. Solid lipid nanoparticles (SLN) current in 1991 denote a substitute carrier system to old-style colloidal carriers, such as emulsions, liposomes and polymeric micro- and nanoparticles. The SLN association the returns (e.g., physical stability, defense of combined labile drugs from deprivation, expert release, outstanding permissibility) of other traditional colloidal systems. This review defines the dissimilar ways of SLN production such as high-pressure homogenization, ultrasonication, solvent emulsification/ evaporation, microemulsion, spray drying and double emulsion, Supercritical Fluid technology, method along with novel drug delivery classification and drug combination models and also clarify about the In vitro and former vivo approaches the for estimate of drug release from SLN.