The bio-analytical method is effective at determining the number of drugs and metabolites in a biological system. New methods, the validation of existing procedures, and the analysis of samples are one of the prominent tasks for bio-analysis. Above all, a compound can be measured using several methods and identified by different methods of analysis. Drugs may be tested by several extraction techniques, including liquid extraction, solid-phase extraction, and protein precipitation in complex plasma and biological samples. To determine how the environment, matrix, or procedures impact the matrix estimation to the time of the analysis, all steps in the process must be investigated. The more detailed study of drug products can be performed with higher-pressure analytical techniques, such as high- extraction(HPLC). At present, HPLC and GC usually perform biolysis. The parameters are linearity, repeatability, accuracy, selectivity, and continuity. We are proposing the development and validation of bio-analytical systems to assist in the quality assurance of drugs.