Objectives: To assess the perception, usage and the preservation of people used plant protection chemicals in Vinh Long and Vinh Quang village, Vinh Loc district, Thanh Hoa province. Study methods: Slide description with and without intervention and comparison before and after, include 612 people directly used and reserved the plant protection chemicals in Vinh Long village and Vinh Quang village, Vinh Loc district, Thanh Hoa province from 3/2011 to 3/2012. Result and discussion: Number of people is trained about using plant protection chemicals safety increase 26.2 percent, at the village was compared increase 6.5 percent
effect 27.7 percent. Number of people has average knowledge of plant protection chemical's preservation increase 54.1 percent, at the village was compared increase 14.9 percent, HQ=775.0 percent. Number of people has poor consciousness decrease 29.0 percent, at the village was compared decrease 3.5 percent, effect 71.1 percent. The proportion of people identify the toxic directive color on the package of plant protection chemicals increase 74.9 percent
at the village was compared increase 11.6 percent, effect 332.5 percent. The propotion of people has knowledge of process the plant protection chemicals follow the instruction increase 31.1 percent
at the village was compared increase 4.1 percent
effect 43.2 percent and process the plant protection chemicals follow the regulations increase 33.9 percent, at the compared village increase 8.4 percent
effect 46.08 percent. The propotion of people bury the package after use increase 42.2 percent
at the compared village increase 1:2 percent
effect 168.9 percent and thow away the packages eveiywhere decrease 30.4 percent
at the compared village decrease 7.9 percent
effect 44.7 percent. The propotion of people preserve plant protection chemicals in the house decrease 13.9 percent
at the compared village decrease 11.1 percent
effect 17.4 percent. Conclusion: After guided, the propotion of perception and practice right of people in Vinh Long and Vinh Quang village, Vinh Loc district, Thanh Hoa province increase statistically significant in usage and preserve the plant protection chemicals.