Is there a flight from Yanji Airport to Korea on 20 13? Is security strict?

Korean airports are relatively strict. Cosmetics can be brought. No perfume or anything. It's explosive. If you are going to Korea for the first time, they will ask you very detailed questions, such as what you are doing in Korea, how long you will stay, and whether you have any relatives in Korea. As for whether to ask family members, it depends. Let me tell you a little trick. It's best to fly to Korea at night, so it's very late in Korea, and the security people are anxious to get off work, and they will make it casually and let you enter the customs. I used to bring medicine and cosmetics at this time. Very safe. I hope I can help you.