In making the questionnaires, the researchers developed three questions in detail to relationships between awareness of this problem and behavior that they use plastic products in student at Mae Fah Luang University. Firstly, several findings by Zafar (2013) confirm that disposal of plastic waste has emerged as an important environmental challenge. Because plastic does not decompose biologically, the amount of plastic waste in our surroundings is steadily increasing. Therefore, the first question aimed at seeking inherent opinions from people whether they aware to this problem. Secondly, the research on reduce, reuse and recycle of plastics are essential to make environment greener and safer (SHARMA, 2008). Consequently, the second question focused on people who awareness in order to identify possible solution to cope with plastic waste problem. Lastly, the question was defined to assess whether people who awareness to this problem have behavior to reduce plastic waste problem and have a good attitude to possible solution. This has been well documented in internet by Meyer (2014) the first and best option for reducing plastic waste is to minimize single-use plastics in daily life. Actions you can take include: reuse old plastic bags for multiple shopping trips. People who are awareness of the plastic waste, but not always they will have behavior to reduce plastic waste. Thus, they attention are most important that help to solve this problem. To collect the data efficiently, the questionnaires were designed in accordance with the above supports as follows;