Precocious puberty in children is related to the following 6 factors 1, hormone residues in plants and animals Animal feed additives contain hormones, and hormone residues are found in the bodies of animals that are raised, so that meat products made by children will also have an effect on children’s bodies when they eat them. In addition, most of the anti-seasonal vegetables and fruits are hormones, often eat such fruits is also bad for children’s health. 2.Environmental hormones Tan Jianqiang, Department of Pediatrics, Liuzhou Maternal and Child Health Hospital The substances and their decomposition products discharged into the environment by detergents, pesticides and plastic industries can produce a series of hormone-like pollutants in nature, which can cause abnormal development of reproductive organs and bones if ingested by children. 3, blind tonic This cause of premature sexual maturity in children in southern cities is more prominent. Guangdong people like to make soup, many people in the soup together with animal offal, which contains hormones in the gonads and other endocrine glands of animals, through the meal can enter the body. 4, health care intake Some parents blindly give children who do not like to eat to take health care products that can enhance appetite, but the general health care products that can increase appetite often contain hormone ingredients, long-term use can cause the rise of hormone levels in the blood of children, which can lead to precocious sexual maturity. 5, premature psychological stimulation With the popularity of television, VCD, etc., some children can early from the film and television exposure to some beyond their mental age behavior images. From the statistics, the more closed areas than the open areas of precocious puberty patients are much less, rural children significantly less than urban children, rural girls than urban girls significantly lagged the age of menarche, these are the psychological factors play a clear evidence. 6. Influenced by some diseases Children can also develop precocious puberty due to the influence of some diseases (such as intracranial tumors, genetics and other factors). Therefore, parents should pay attention to the development of children, and once they find the premature appearance of secondary sexual characteristics, they should go to the endocrinology department for examination and treatment in time to avoid the development of the disease.