According to the Nikkei Asian Review, citing sources privy to the matter, Kim plans to discuss the recent summit with US President Donald Trump, in particular, a further negotiations strategy.
The North Korean leader is expected to arrive in Beijing, where the security preparations are currently underway, the newspaper added.
According to the Xinhua news agency, Kim will stay for a two-day visit. No other details of the visit have been provided.
The meeting between Trump and Kim took place on June 12 in Singapore. The two leaders signed a final document that includes an agreement to establish new bilateral relations between the United States and North Korea as well as join efforts to build a lasting and stable peace regime on the Korean peninsula.