If you want to travel from Baoding to Qinhuangdao, please introduce the specific situation.

If you want to visit Yanda University. I suggest you take Yanshan University as the center of your travel. Get off at Qinhuangdao and take bus No.34 directly to Yanshan University.

Find a hotel near Yanshan University to stay. Yanshan University is 20 minutes' walk from the seaside.

If you want to go to Beidaihe. Take bus No.34 from Yandamen and take bus No.34 from Beidaihe.

If you want to go to Shanhaiguan. Take bus No.34 to Yanmen Railway Station and bus No.33 to the south gate of Shanhaiguan.

Langtaosha Hotel and Hostel of Science and Technology Teachers College next to Yanshan University, the accommodation is about 160 per day.

But there are many daily rental houses next to the school. Ahem ~ ~ ~ yeah! Basically, they are rented to students.