Although majority of Thai swine products are consumed in the whole kingdom. However, swine raising industry is one kind of crucial livestock business affecting the value of supply chain included feed enterprises, vertical promotion firms, independent firms, swine raising cooperatives, slaughters, and also butcher shops. These kind of firms are important factors affecting country’s economic movement both direction and non direction aspects. Although majority of Thai swine products are consumed in the whole kingdom. However, swine raising industry is one kind of crucial livestock business affecting the value of supply chain included feed enterprises, vertical promotion firms, independent firms, swine raising cooperatives, slaughters, and also butcher shops. These kind of firms are important factors affecting country’s economic movement both direction and non direction aspects. The results revealed that supply chain in Thai swine firms system included vertical promotion firms, accounting for 37.0 % and independent firms, accounting for 63.0 %. The independent firms included large scale farming 33.0 %, mediumsmall scale 25.0 % and small scale 5.0 %, respectively. Majority of swine raising entrepreneurs cannot afford to manage the cost, in particular in terms of feed and labor force cost. These kinds affecting the decrease of medium-small scale firms in the whole country significantly. The rest are only large scale firms in vertical promotion business by increasing per head in order to enhance their profit. Regarding food safety volunteer standard implementation, it revealed that almost of production standard that could operate were management in farm components by appropriate operation size, farm management, management in animal health for disease protection and disease control, animal welfare, and water system management. The most ordering difficult implementation were having the permanent farm veterinarian, distance among animal housing in opened system at least more than 25 meters, having the fence surrounding farm, located far from public water resources, community, and also neighbor farms at least 3 kilometers, experiences in sanitation standard, eliminated carcass swine through sanitation method, health check in employees every year, and also waste water treatment before effluent. In terms of food safety standard in feed production, it revealed that almost requirements were operated by the entrepreneurs because those concerns can benefit for them. The demand improvement requirements were did not use another feed raw materials to replace in feed stuffs to less cost, did not use illegal antibiotic such as nitrofuran group, oxytetracycline, chlortetracycline, L-carnitine, and also β - Agonist in feed. Because these kind of substant are not clear to operated in the same standard. The most difficult implementation that majority of entrepreneurs indicated were the inspection to decrease the contamination in feed transportation any time. This requirement must operate in the laboratory and makes high cost. Regarding slaughter food safety standard, it revealed that the requirements that majority of them could operate were building structure for operation, appropriate operation size, surface contact equipment, light, the elimination of garbage, and also the pollution protection. The most difficult implementation in slaughter requirements were the location, ventilation system, and waste water system treatment as well.