| The sprinkler system has automaticity, direction finder and capability exception. The system can check automaticly the fire and put it out in time. There are many advantages in the system, including safety, credibility, high rate of success and so on.The article researches the scope of designing to installation to working in the end. It analyzes some difficult problems. Analyze parts in the Automatic Sprinkler System. We could recognize the function and designing request deeply. It researches some frequent problems in designing and installation. It emphasizes how to install and manage. It analyzes some frequent problems in the Code of design for sprinkler system and elaborates my own opinions. The article compares some Hydraulic Calculations and assures that the square area-dot is the scientific way in the end. The article combines Visual Basic and Hydraulic Calculation and establishes the mode of VB-Hydraulic Calculation. It makes the Hydraulic Calculation simple and direct. In addition, the article solves the problem which is how to assure the most system flux to satisfy the spray the strength of water. |