First of all, look at the number of days you are going to travel, subtract the time after you come back, and then arrange your itinerary. If you mainly look at the school, try to arrange your own place around the school, and it will be better to be close to the subway station or the site with convenient transportation, so as to facilitate going to various schools. If the school has a detailed understanding, you can visit one school a day, and if you look around, you can arrange more. It's best to learn more from the internet in advance. There is a time limit for visiting the university campus.