In this article based on databases of 3D female bodies emulator, 3D jacket emulator, textile material parameters, historical photos and pattern parameters, an automatic pattern making and its 3D emulator model support system of woman warm jacket was developed. In this system different databases were set up and mathematic models of body block and pattern were founded, which they were the main algorithms of program. Program of connecting databases for pattern making was developed and its 3D emulator model was realized synchronization. Based on 20 variables for the female body, the net body block is first be made for individuality and its 3D model also is offered. Then according to the parameters from textile material database and pattern database, pattern is automatically made on the base of the body block. At the same time its 3D jacket model can be presented to user by this system. In this system, managing and connecting different types of databases were come true. This new automatic designing method differs with the traditional pattern making, which introduced the database technology to make works automatically and present 3D emulator model synchronously. This open system is offered user with spreading the database possible and connecting with ready CAD system.