Country of Thailand, most people will be a career in agriculture. Because in the past, human life is made easy by the hunting store vegetables from the forest, eat food. Living according to the cave or the shelter of twigs. Later, men began to recognize a known animal domestication, which is the beginning of agriculture. Making lives better. Even today this technological advances. But people still rely on agricultural production output is part of life. Because most humans know the harvesting of agricultural productivity Apply to food to eat Create a growing body Part of the plant used to produce textiles or fibers, leather apparel, tree planting is made to stick to the construction equipment. Create a residential building, place furniture. Supplies, and plant herbs to be used as drug treatment, which is what these are essential for life. Agriculture is a very important task for Thailand. Because the building Happy integrity of the country as a whole. Agricultural productivity is another factor The food industry using local products and also distributes the goods out of the country. It can be said that Agriculture is vital to the prosperity of the country is huge. There are many types of agricultural products, which are of good quality and is recognized by foreigners, such as flowers. Including tropical fruits such as mango, durian, mangosteen and so on. This has helped to attract the attention of tourists visiting Thailand increased. The travel and tourism business and professional services increased. Thailand is a country based on agriculture and the availability of resources and agricultural conditions. Many plants that are unique like no other that is the luck of Thailand such as rice, fruit, rambutan, durian, mango, mangosteen Thailand, apple, guava, etc. Therefore, To ensure safety in agriculture is also important. Because most agricultural farming rarely aware of the dangers of toxic pesticides from exposure to toxic substances, often in a long time. Will be detrimental to the health of the farmers themselves. The study on agricultural residues of toxic substances found in soil, water, fruits, and vegetables, field crops, found in self defense behavior of farmers, very little to touch toxins. Both while mixing chemicals and the use of chemicals, which are to wear gloves.Wearing shoes. These behaviors harmful to farmers. Cause cause illness. Although not clear illness in the short term. Storage of pesticides in the home or used to kill insects in the house. To keep the outside environment near the plants also appear. Is a problem that should be taken.It may be collapsed and lost so many lives. Therefore, good agricultural practices must focus on security and vegetables, farmers and consumers. Guidelines for good agricultural practices, it is also known as yo how GAP guidelines in agriculture in order to get good quality output to meet the set standards and have high productivity with manufacturer's investment and production processes must be safe for the farmer and consumer. And the optimization of resource use and sustainable agriculture, and does not cause environmental pollution. Guidelines for making this great agriculture. To follow the principles of food and agriculture, United Nations or FAO have strictly defined. The food and Agriculture Organization of the United Nations agencies have duty to monitor the quality of vegetables, fruits, throughout the production, the quality. The organisation needs to follow rules and good agricultural practices GAP universal principles Countries, Thailand will be the basis of the GAP from agricultural practices is better for plants (Good Agriculture Practices: GAP) aims to achieve the best manufacturing process yield is safe. Free from pests and quality is satisfactory, consumers. It will focus on water resources, arable land. The object is not to cause harm to the crops. Storage and transport within the plant crop yield. Producing safe from pests. And management of the production process in order to get high quality output for distribution to consumers and farmers, everyone. Must be made on the basis of good agricultural practices the GAP is?