The marine biotechnology (including practice) is a course that focuses on the knowledge of farmed aquatic animal managing, disease diagnosis and prevention as well as the related field and laboratory skills. It will be discussed majorly from 3 aspects including the aquatic environment, aquatic animals and pathogens to lead the students construct a complete knowledge system upon aquatic animal health issue. We will learn to scientifically identify an issue, analyze, find evidences and propose a solution to resolve each puzzle. This course will be conducted about half by lecture and half by practice to let students master the current and comprehensive development in this field and build their solid knowledge, skills and confidence to the world of aquatic animal health.