There are many ways to do this. Don't lick your lips at ordinary times, want your lips, and don't eat anything irritating to your lips in your diet. You can also do lip exercises: suck your lips hard, and then massage your lips with your fingers for 5 minutes, 1 day, 3 to 5 times. Stick to it, and your lips will definitely become thinner in about 3 months. Attached, Pei Jiaosu is the fastest.