After laser spot removal, in the absence of good sun protection or human intervention, red marks will be produced after the scabs fall off. At this time, it is necessary to pay attention to the following points: 1, keep the wound clean, avoid further stimulation of the wound leading to the red marks continue to aggravate; 2, strict sunscreen, avoid contact with sunlight, go out and need to be coated with sunscreen or physical sunscreen methods. If the red marks are well protected from the sun, the red marks will gradually fade away in 1-2 months; if no attention is paid to the protection of the formation of hyperpigmentation, the red marks will take about 6 months to gradually fade away.