Children after the chicken pox marks usually after a few months will fade naturally, you can lighten the marks through sun protection, topical and oral medications, laser treatment and so on. 1. Sunscreen: The marks left by chickenpox are hyperpigmentation left after inflammation, and can be lightened by preventing ultraviolet radiation to inhibit melanin synthesis. 2. Drugs: Hydroquinone cream is a skin discoloring agent, which can lighten hyperpigmentation. Oral antioxidant drugs such as vitamin C and vitamin E can also be taken. 3. Laser treatment: Q-opening gemstone laser and other lasers can lighten hyperpigmentation; however, the laser itself can cause chromatic deposition, especially for people with dark skin color. Normally, you can eat more vegetables and fruits, ensure the cleanliness of the skin, and avoid scratching. Medications and treatments should be used under the guidance of a physician.