First, The problem of formalin in food affect to consumers. Phornthep (2014) said that if consumers frequently eat foods that are preserved with formalin, it will over time can cause irritation to severe headache, chest pains and stomachache, vomiting and diarrhoea. The most common is chronic poisoning due to eating foods that are often preserved with formalin, is usually damaged kidneys or can cause cancer in the future. In addition to formalin will harm the consumers.