The recurrence time of coffee spots on the face is based on evidence-based study, which shows that generally it will recur in 6 months to 12 months, and the specific recurrence time is decided according to the consolidation of therapeutic effect and whether the treatment is thorough or not. 1. Consolidation of therapeutic effect: Coffee spots on the face have a certain recurrence after treatment. After treatment, due to the accumulation of pigment in the affected area of coffee spots, if there is no further treatment to consolidate the therapeutic effect in the later stage, the pigment in the location of the original coffee spots will be gathered again, which will lead to the recurrence of coffee spots. 2. Whether the treatment is thorough or not: it is also possible that the initial treatment is only to remove the coffee spots on the surface, but not to remove them completely from the root cause, so there is a possibility of recurrence. Coffee spots on the face have recurrence, in the treatment, remember that it is necessary to deal with it from the root, it is recommended that patients pay attention to regular review after the treatment, do a good job of skin care, and maintain a good habit of life.