Wai- Kru ceremony, Thai people usually considered to the part of life and it is a thing that should be behave because we considered Wai-Kru is one of Thailand's culture. It show filial piety towards teachers. If you ask Wai - Kru ceremony is important or not ?. Of course it is important. For the prosperity of the life. For commemorate the teacher. For apologize that offend with teachers.When the disciples attended Wai-Kru ceremony, it makes disciple have peace of mind and have confidence in yourself. Intend to do good. Studied hard to achieve the aim.