Vi Xuyen town, Ha Giang province now has 14 brick kilns with some kilns having high capacity. The environment in the craft brick kilns regularly receives large amounts of toxic emissions such as COx, SO2, NOx, VOC,... dust, high temperature, noise that impact on people's health and agricultural producion in this area. Each year craft brick kilns in the local Vi Xuyen town consume about 680 tons of coal and 272 tons of fuel and the amount of emissions estimated about 6.25056 million m3. The survey has shown that health of workers in the craft brick kilns is seriously affected. Respiratory diseases accounted for the highest proportion of workers working in brick kilns, over until 68.5 percent. The eyes diseases made up 28.57 percent, digestive diseases accounted for 14.28 percent. Moreover there are other diseases such as: chronic lumbago, languarous, headaches,...