He said he heard the cabin crew broadcasting a call looking for a doctor, so he immediately went over to help.
The patient had already lost conscious and was foaming at the mouth.
The patient's friends, who were sitting next to him, said he had suffered epileptic seizures in the past, but had not been on medication, according to a report on Xinmin.cn.
Tian quickly asked for a towel and a spoon from the flight attendants.
To stop the man from choking, Tian used his fingers to remove the vomit from the patient's mouth.
Then he wrapped the spoon with the towel and put it in the patient's mouth to stop him from biting his own tongue.
In order to prevent the patient from suffering continuous seizure, Tian asked the cabin crew to give him a few toothpicks.
With the pointy sticks, he managed to bring the patient around by stimulating several acupuncture points, including the baihui aperture and sishengcong aperture on top of the head.
The doctor said he had decided to use toothpicks due to the restricted conditions on the aircraft.
He told a reporter from Shanghai Daily: "There was no needle available on the plane, and toothpicks were the best replacement I could find."
The patient reportedly regained conscious after Tian performed five minutes of stimulation.
Around 20 minutes later, the plane landed at the Urumqi Diwopu International Airport, where paramedics picked up the sick passenger for further treatment.