Take the subway 1 line from Kunming Railway Station Exit A to University South, and pass 1 1 station.
Get off at Chunrong Street, change to the subway 1 line in the station, go to Kunming South Station, pass three stops, arrive at Bailongtan Station, exit C, walk 1.4 km, and arrive at high-speed railway station, Kunming. The journey takes about an hour, and the fare is 7 yuan.
You can take bus No.920 from Kunming Station to Kunming South Station Square, which takes 57 minutes. The fare is also 7 yuan.
That's basically it. I hope I can help you!