%A Nguyen Thuc Vu %T Hệ thống báo cháy nhanh qua internet sử dụng giao thức truyền dữ liệu hai chiều (websocket). %X In recent years, along with the general development of economy and society, the situation of fire and explosion has also occurred more and more complicatedly. There are many solutions to minimize the damage of fire, one of which is to improve the efficiency of receiving and sending fire alarms. Many companies and researcher have developed fire alarm systems from central fire alarm box via the internet to firefighting office, but the above solutions have some disadvantages such as: delay in sending fire alarms, high cost, complicated use process for soldiers who receive fire alarms…. This research proposes a solution to design and develop fire alarm system via the Internet using Websocket protocol. Websocket is a new protocol that has many advantages such as: high speed, low data transmission, easy programming, deployment and good security. This research also uses Android phones as communication devices, this is a new ideal, which can help users to be proactive in selecting devices and reducing product costs. In addition, the research also develop the fire alarm management with many features, aiming to deploy a comprehensive and comprehensive system on the whole country %D 2019 %R 2-2019-00561 %L SisLab3871