12 February – 2023 Shandong high-altitude object: China said that it detected an unidentified flying object over the Yellow Sea, and warns that it is prepared to shoot it down. The Qingdao Marine Development Bureau issues an alert to fishermen in the waters to be "on alert" and "avoid risks".[5]
2 August – Typhoon Doksuri brings heavy rainfall to Beijing and Hebei. In Changping, it sets a maximum rainfall record since record-keeping began in 1883.[12] At least 80 people are killed and 35 missing by flooding in localities of Beijing, Hebei, Jilin and Liaoning.[13][14]
13 October – An Israelidiplomat based at the Embassy of Israel, Beijing is stabbed by an unknown foreign attacker. The diplomat was taken to a hospital for treatment and is in stable condition. The incident is being treated as a terrorist attack.[18]
10 November – China imposes "control measures" against Philippine vessels at a contested South China Sea location after a Philippine auxiliary ship entered the area which China deemed as infringing on its sovereignty.[23]
16 November – Lüliang office fire: At least 26 people are killed and 63 were hospitalized by a fire at the Yongju Coal Industry Joint Building in Lüliang, Shanxi.[26]
20 December – Twelve people are killed and 13 others injured when a mining cart runs off the tracks in Jixi, Heilongjiang.[37]
22 December – China passes a series of regulations aimed at limiting video game microtransactions. The new rules include banning rewards for logging on for multiple consecutive days and banning rewards for players if they spend money in a game for the first time.[38]