Four of the attackers were killed, while one woman militant who was injured was captured after the incident yesterday.
A search is on for the other militants, stated to be from the banned separatist East Turkestan Islamic Movement (ETIM), an al-Qaeda-backed outfit.
ETIM, is active in the northwestern Xinjiang province which has witnessed deep ethnic unrest between native Muslim Uyghurs and Han settlers from mainland China in recent years.
Thirty-three people including four militants were killed in the attacks and 143 injured, 33 of them seriously.
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A group of 10 attackers hailing from Xinjiang attacked the crowed with large knives hacking people indiscriminately, Chinese security officials said.
The attack lasted about 25 minutes after which the remaining militants escaped.
Meanwhile, a semblance of normalcy has returned to Kunming city after the gruesome knife attacks.
Order has been restored in Kunming, capital of southwest China's Yunnan Province, state-run Xinhua news agency reported.
Part of a major road in front of the railway station is still under traffic control and a waiting area on a square east of the station has been cordoned off.
With a heavy police presence, normal operations have resumed and passengers can walk into and out of the station with no new restrictions.
Security screening of passengers and luggage is being carried out and staff are maintaining order in more crowded areas.
Security has been beefed up at the city's Changshui International Airport, with increased security personnel and tougher scrutiny of passengers and luggage.