After laser treatment, you should pay attention to the hygiene, adjust the daily diet and improve the living habits. 1. Pay attention to hygiene: after laser treatment, you should pay attention to the hygiene of the affected area, keep the local clean and dry, don’t use stimulating toiletries or cosmetics, and don’t scratch the affected area with your hands, to avoid mechanical damage to the local area or leading to infection. 2. Adjust the daily diet: after laser treatment, we should pay attention to a healthy and light diet, do not eat stimulating food, and do not eat allergic food. 3. Improve life habits: avoid cold wind stimulation of the neck area when you go out, do not be exposed to ultraviolet radiation for a long time, and do not subject the affected area to excessive pressure or friction, which may lead to hyperpigmentation after the healing process. After the laser treatment on the neck meat grain, when there are some abnormalities, such as itching and tingling, should be alert to the infection, should be timely to the regular medical institutions for medical examination and treatment.