Coffee spots can be completely removed with laser treatment. It takes about 2 to 5 sessions of laser treatment to completely remove coffee spots, and the exact number of sessions depends on the patient’s skin lesion condition and recovery. Coffee spots are currently thought to be caused by genetic factors, and most of them are only a pigmented damage that involves the skin. The principle of laser treatment for coffee spots is to utilize the photoelectric effect of laser to destroy the melanin in the skin lesions, so as to achieve the therapeutic effect. Generally, for patients with café-au-lait spots, about 2 to 5 treatments are sufficient to remove the spots completely. Most of the patients can get obvious results after 3 times of laser treatment. For patients with coffee spots, it is recommended to go to regular hospitals in time and carry out standardized treatment under the guidance of professional doctors.