Several ways: take a bus to Humen Station to buy a ticket to Longgang coach station, and the next stop is Longgang Crossing Rainbow. Or find a bus from Humen to Fenggang Station, where there is a through train from 2 yuan to Longgang to cross the rainbow; Or take a bus from Humen to Shenzhen Shajing Central Passenger Station (or Songgang above the rainbow) and take the 868 Expressway to Longgang above the rainbow. This train goes all the way 10 yuan.