People who are allergic to light, people with skin inflammation, scarred body, pregnant women and other people are not suitable for photorejuvenation. 1. People who are allergic to light: photorejuvenation is a laser treatment, people who are allergic to light are not suitable for photorejuvenation, which will cause allergic reactions. 2. Skin inflammation: skin inflammation should not do photorejuvenation, otherwise it will aggravate the symptoms of inflammation. 3. Keloid: Keloid is not suitable for photorejuvenation, photorejuvenation belongs to a kind of micro-trauma, for keloid, it is likely to have scars. 4. Pregnant women: pregnant women are not suitable for photorejuvenation, which may affect the healthy development of the fetus. It is recommended to consult a regular medical institution and follow the doctor’s instructions.