. Big data development learning has a certain degree of difficulty, zero basis to start the first to learn the Java language to lay the foundation, in general, Java learning SE, EE, it takes about 3 months; and then enter the learning of big data technology system, mainly learning Hadoop, Spark, Storm, etc. . Big data development needs to learn include three major parts, namely. Big Data Basics, Big Data Platform Knowledge, Big Data Scenario Application.... There are three main parts of big data basics: math, statistics, and computers; . Big data platform knowledge: is the foundation of big data development, often to build Hadoop, Spark platform; . Big data scenarios is currently an important application of big data, these scenarios include many areas, such as financial big data, transportation big data, education big data, food and beverage big data, etc., behind the application of these scenarios also need to have a certain understanding of industry knowledge.