Mana Ashida, an only child, lives in Tokyo with her parents. Although Lu Tian has a high exposure in the media, his parents have always kept a low profile and rarely appeared in front of the camera. Because of work, Lutian will take the Shinkansen to and from Tokyo and Hyogo Prefecture where he lives. Usually speak Kansai dialect, and talk in standard Japanese after passing through New Yokohama.

Lu Tian once said in many interviews that his ideal is to be an excellent actor. Lu Tian's biggest personal hobby is reading, with a monthly reading volume of about 60 books (children's books), among which the favorite are The Biography of Helen Keller and Ping Qingsheng.

As a child star, Lutian also has his own favorite band. During the break of the program group, he will sing "I want to see you" by AKB48. When Lu Tian participated in the variety show, he also performed Kara's "Sir" live. Later, at Lutian's 7th birthday party, Kara also came to celebrate her birthday.