Trivia

His eyelashes are famous. Fans all over have been awe at how full and long his lashes are. His lashes were once a trending topic on Weibo.

Xu Kai likes burgers and spicy food, also likes to eat coriander, also known as Chinese parsley or cilantro. He is not a big fan of eating seafood or fatty food.

He debuted with no-manager and went into Hengdian world studios hotel with just two luggage bags. He has been filming in Hengdian for many years and is also known as the "Little Prince of Hengdian". He has been described as a very hardworking person.

Xu Kai took the nickname soso because he feels like he is 'so-so' when doing everything. However, Xu Kai later mentioned in an interview that his English name is actually Kevin, and "soso" was only taken up because other names on Weibo were taken, so he could only add "soso".

Xu kai comes from a middle-class family, and were born on Sunday, birthstone is Aquamarine, in the Chinese year of the Pig.

According to "The Oracle of Bacon" (as of Sept 2022), Xu Kai has a Bacon Number of 3: Xu Kai had a minor role in 1921 (2021) with Ni Ni who was in Enter the Warriors Gate (2016) with Ron Smoorenburg who had an uncredited role in Elephant White (2011) starring Kevin Bacon!!! (and Djimon Hounsou). Thus, his bacon number is 3. His number remains at 3 through 3-4 alternative routes.

The actor revealed that he is a big Gong Li fan. He even had a chance to meet her at a Tiffany & Co event but he was afraid to approach her and request a picture.

There is a lot of cast cross-over between his projects but the most notable one is his work with Lu Bai with whom he starred in Arsenal Military Academy (2019) and The Legends (2019), both in 2019. They were also part of the Untouchable Lovers (2018) cast, along with several other cast mates who make appearances in many of their other projects.

Became known for his role as Fuca Fuheng in Story of Yanxi Palace (2018) (especially for the ill-fated romance between Fuca Funheng and lead character Wei Yingluo, played by Jinyan Wu). In the end, Fuca Fuheng sends a dying message to Wei Yingluo asking her to look after him in the next life as he did for her in that one. Fans found the reunion of these two actors in the delightful "Royal Feast" (2022) as a satisfactory "reincarnated" happy ending.

Often plays handsome, egotistical male leads, sometimes cold, who fall in love hard, exclusively and obsessively.

Has jealousy-expressed-through-apple-eating moments, often fan favorites, in Arsenal Military Academy (2019) and Tian Wu Ji (2020).

His character, Gu YanZhen, is obsessively pursued by Qu Manting (Jiayi Wu) in Arsenal Military Academy (2019)... but he returns the favor, being the pursuer of Jiayi Wu's character Su You Lian, in Tian Wu Ji (2020).