2. Lip exercise: suck your lips hard first, and then massage your lips with your fingers. Think like this for 5 minutes, 1 day, 3 to 5 times, and stick to it. Your lips will definitely become thinner in about 3 months.
3. Surgical correction of the lip: If the lip is too thick and has lip deformity, it can be corrected by lip surgery to make the lip thinner.