Thailand's hill tribes or In Thailand, mostly immigrants from neighboring lands. A small minority There are more than 500,000 people have their own culture, ancient traditions. The successor to abide by not changed for thousands of years. Flights homeless by high mountains and deep, far from the borders of Thailand, as this more than a hundred years ago, but the way of life of their inhabitants. It is natural that Not be beneficial both to themselves and to the region as a place of residence. The reason I chose this topic He is also the traditional life. The health and education are ignored. A subsistence economy This production to consumers within their communities. Lack of knowledge in the maintenance of soil fertility and water. He made the use of sarcasm and burning forests for shifting cultivation. Moving along in addition to the hassle and chest is a growing problem. Part of his livelihood by cultivating opium. Cultivated since ancient times for the cultivation of opium. If you look at the overall opium trade Drug violence in Northern size and dimension of the problem is different from other sectors. Due to environmental factors, both internal and external. The area adjacent to the northern border of Myanmar. Laos and southern China, which is produced narcotics border as Burma is still in production, opium, heroin, ATS, or amphetamine, methamphetamine for the border of Laos continues to produce opium, amphetamine tablets and traders. illegally transported through the border into Thailand. To sell and export It is also legitimate. When the policy change and there. Rules that prohibit the production and trafficking of opium. Karen refuses to stop the opium trade. This is because for the price, and have come to purchase. Opium is the only source of cash income for their substantial. State authorities have the ability to determine control. One reason is that Tribal not been recognized in the nation. Did not recognize the existence of law and political power. He considered himself to be an independent tribes. The saying "The mountain is ours" is an idea in the subconscious of the tribe.