A straightforward, Accurate, specific approach was created for the concurrent assessment of the Isoniazid and Ethambutol in Tablet dimension structure. Chromatogram was experienced Inertial ODS C185 m (4.6 x 250mm). Portable phase having Phosphate support and also Acetonitrile in the percentage of 30:70 was siphoned through segment at a stream pace of 1ml/min. Cradle made use of at pH 4.6. Temperature was stayed on top of at Ambient. Boosted regularity for Isoniazid as well as Ethambutol was 260nm. Maintenance period of Isoniazid and Ethambutol were considered as 2.395 minutes and also 3.906 min. The percentage merit of Isoniazid and Ethambutol was considered as 100.6 percentage and also 101.3 percentage independently. The framework appropriateness boundaries for Isoniazid and also Ethambutol, for example, theoretical plates and complying with element were deemed 1.3, 1012.4 and also 1.2, 1848.2 the objective was viewed as 9.0. The linearity research for Isoniazid and also Ethambutol was discovered in focus scope of 1μg-5μg as well as 100μg-500μg and also link coefficient (r2) was considered as 0.999 and also 0.999, percentage mean recuperation was considered as 100.1 percentage and 100.4 percentage, percentage RSD for repeatability was0.31 and 0.38, percentage RSD for middle of the road accuracy was 0.12 and 0.15 separately the accuracy study was precise, powerful and repeatable. LOD esteem was 2.94 as well as 3.03, and also LOQ esteem was 9.87 and 10.1 individually. Keywords: Isoniazid, Ethambutol, RP-HPLC