esProc SPL is a data analysis engine with four main characteristics: low code, high performance, lightweight and versatility. To be specific, SPL allows you to write simply, and makes the running speed faster; SPL can be used either independently or embedded in applications; SPL is suitable for a variety of application scenarios. Analyzing the data through esProc SPL can reduce the overall application cost by several times compared with SQL-represented traditional technologies. Details will be given below.