Tiananmen Square, the Forbidden City, you can climb Jingshan, and then go to Xisi Xidan to play. There are many snacks in Xisi, and Xidan is a good place to go shopping.
the next day
Go to the Summer Palace in the morning, Gongwangfu near Shichahai in the afternoon, and the alley near Shichahai. There are many snacks and special handicrafts, and you can also play well near Houhai at night.
the third day
You can go to Tiantan Park in the morning. If you like those special gadgets, you can go to Panjiayuan.
Fees and expenses:
Beijing public transportation is only cheap 10 yuan.
It is enough for each scenic spot to get tickets to 200 yuan per capita.
Eat something at ordinary times, and a day 100 yuan is enough for one person.
Accommodation budget hotels are generally around 200 yuan for one day.