ConceptCurrently smartphones have become popular and essential equipment, indispensable and far-reaching influence on habits, activities and entertainment of many people. Along with the rapid development of mobile app empires such as Grab, Facebook, Foody, etc., the user's service habits are gradually changing. Understanding that demand, BACSI application was born to solve the problem of connectivity, access between doctors, clinics, hospitals, nurses / nurses and patients. BACSI creates a playground and environment for doctors to work, exchange information and manage patients. Help patients, users who have demand for medical examination and treatment, counseling can quickly access to medical units.