Day 1: Take Baomao Expressway from Xi 'an in the morning, visit Huangdi Mausoleum around 10 in the morning, have lunch, take a short rest, take Baomao Expressway, turn to Qinglan Expressway, and drive to Hukou Scenic Area. It will arrive after 3 pm. After reading it at 4 o'clock, find a hotel to stay.
The next day: Take the Hukou-Yan 'an special tourist line to Yan 'an in the morning to see Baota shan, Zaoyuan, Yang Jialing and Revolutionary Memorial Hall. Take Baomao Expressway back to Xi 'an in the afternoon.
I hope you have a pleasant trip.