World smile day, is the only one festival of the expression of human behavior, world mental health organization to every year since 1948 on May 8, identified as world smile day, the day will become particularly sweet, in the smile to others, you will see the world smile to himself.

　　On May 8, is the world smile day, today, are you laughing at? It is said that this is the only a festival celebrating the expression human behavior. On the corners of the mouth become warped, we against gravity brings a smile face aging, also a goodwill with a smile, live in harmony with the world. In your smile to others, also can see the world smile at you. Come along, smile!

　　Since 1948, the spirit of the world health organization will every year on May 8, identified as "world smile day, hope to promote human physical and mental health, by smile passed from person to person is cheerful and friendly at the same time, promote social harmony.

　　世界微笑日，是唯一一個慶祝人類行為表情的節(jié)日，從1948年起世界精神衛(wèi)生組織將每年的5月8日確定為世界微笑日，這一天會變得特別溫馨，在對別人的微笑中，你也會看到世界對自己微笑起來。

　　5月8日是世界微笑日，今天，你笑了嗎?據說這是唯一一個慶祝人類行為表情的節(jié)日。嘴角上翹，我們用微笑對抗地心引力帶來的面容衰老，也用微笑釋放善意，與世界和睦相處。在你對別人的微笑里，也會看到世界對你微笑。一起來，笑一個!

　　從1948年起，世界精神衛(wèi)生組織就將每年的5月8日確定為“世界微笑日”，希望通過微笑促進人類身心健康，同時在人與人之間傳遞愉悅與友善，增進社會和諧。