Children with a lot of dark moles on their bodies are considered to be pigmented nevus, freckle-like nevus, etc., and need to choose physical therapy according to the cause. 1. Pigmented nevus: the occurrence of pigmented nevus is related to heredity, long-term exposure to ultraviolet rays and changes in hormone levels, which leads to a lot of dark moles on the body of the child, which belongs to benign neoplastic organisms, and generally does not need special treatment. It can also be treated with laser when the child becomes an adult, which can achieve the effect of removing moles. Those with malignant tendency should be excised as early as possible, and at the same time do histopathological examination. 2. Freckle-like nevus: Freckle-like nevus is related to heredity and belongs to pigment disorder, which will make the child’s skin appear dark brown rash and will not be fused with each other and will not affect the body. If you want to get rid of it, you can choose laser treatment after your child becomes an adult. If your child has a lot of moles, you should avoid excessive scratching or rubbing, keep the skin clean, and do not apply medication on the skin privately to avoid skin irritation. If the moles have uneven edges, grow too fast and other abnormalities, it is recommended to consult a doctor in time.