Patients with tethered cord syndrome, especially children, should be alerted to one clinical manifestation of the disease: hairy, abnormally pigmented skin in the lumbosacral region. Tethered cord syndrome (TCS) is a syndrome in which the spinal cord or conus is stretched due to various congenital and acquired causes, resulting in a series of neurological dysfunctions and deformities. It is also called hypospadias because the spinal cord is most often stretched in the lumbosacral medulla, causing the cones to be abnormally low. The following diseases are the causes of lumbosacral skin hirsutism and abnormal pigmentation: 1. tethered cord syndrome (TCS) is a syndrome in which the spinal cord or conus is stretched due to various congenital and acquired causes, producing a series of neurological dysfunctions and deformities. Since the spinal cord is mostly stretched in the lumbosacral medulla, causing the cone to be abnormally low, it is also called hypospadias. 2, hirsutism hypertrichosis (hypertrichosis) generally refers to excessive growth of female body hair, abnormal distribution, is the blood circulation androgens, including testosterone, dihydrotestosterone, androstenedione, dehydroepiandrosterone and dehydroepiandrosterone sulfate and other production increase. Clinically, there may be excessive hair growth and masculine distribution of female sex characteristics. The main manifestations are hairiness on the face, in front of the ears, around the mouth, on the chest, around the nipples, in the armpits, on the back, on the lower abdomen, in the pubic area, with a rhombic distribution towards the umbilicus, and on the lower limbs and front of the thighs, often accompanied by menstrual irregularities and sexual frigidity. Female hirsutism is often considered to be the presence of some kind of masculine disease, and there is psychological pressure to seek medical treatment. 3, medical hirsutism Certain therapeutic drugs can cause hair growth on a wide range of parts of the trunk, extremities, and occasionally the face. The hair is thicker than fetal hair, but finer than terminal hair, in between and up to 3 cm long. it can return to normal within 6 months to 1 year after stopping the medication.