One of the things that foreigners living in Japan are concerned about is the image that "Japanese people always smile". " "Say your opinion" is laughing, "If you fail something" is laughing, and it is said that it is unique to Japanese people to laugh while saying "no". A number of "smiles" expressed based on such Japanese culture. " We will rediscover Japan's "smile culture" that has put many emotions in laughter such as "amiable laughter", "smile", "bitter smile", "shy laughter" and "smaughing" from the perspective of foreigners.