Objective To develop an automatic machine used for dispensing, filtering and filling the drug solution. Methods The microcomputer integrated with photoelectric -machinery technique is used to develop the automaitically opertating machines which have series of automatic functions,such as heating, stirring, dispensing, filtering and filling the drug solution, as well as digitally dispensing amount, heating temperature, filling bottle-number, and etc. Results The machine is suitable for automatically preparing,filtering a volume of 5,000ml to 30,000ml and automatically filling various specifications of drug solution with a volume of 30ml to ≥1,000ml in all kinds of army and locality hospital pharmacy. Conclusion This machine is characterized with novel and airtight design, and complete functions. It is suitable to be used not only in common but also under field condition of army.