good manufacturing practice or gmp is a part of quality system covering the manufacture and testing of active pharmaceutical ingredients, diagnostics, foods, pharmaceutical products and medical devices. Gmps are guidelines that outline the aspects of production and testing that can impact the quality of product, good manufacturing practice (gmp) is a system of ensuring that the products are consistently produced and controlled according the quality standards. Gmp covers all aspects of production; from the starting material, premises, and equipment to the training and personal hygiene of staff.