Surgical operating gowns are worn by doctors and nurses in operating theater to address dual function of preventing transfer microorganisms like bacteria and body fluids from the operating staffs to patients. and also from patients to staff. They must allow necessary mobility without rubbing and must resist tearing. These gown must be designed to fit a diversity of body shapes and sizes with a limited range of sizes as hospitals will stock limited quantities. Also they must proper in various operating situations. In order to suggest improving design features of surgical gowns, it has been done to analyze current situation of medical uniform manufacturing and wearing. Surgical gown were made with plain fabric of cotton 100% and had a little size system without sexual division. Many doctors were unsatisfied with surgical gown size and wearing comfort. Surgical operating gowns need continuos research for new material and design as surgical situation, and new sizing system.