The presence or absence of pubic hair in women is more related to congenital genetic factors, such as some people have a family history of scarce pubic hair or no pubic hair at all, mainly related to genetics. But there are also some related to disease, such as the past had pubic hair, but later due to certain diseases caused by the scarcity of pubic hair or no pubic hair, such as low thyroid function will also appear immune edema. In case of local inflammation of the pubic hair, such as seborrheic dermatitis, it can lead to severe pubic hair loss, resulting in a clinical situation of scant pubic hair or no pubic hair at all. In addition, endocrine disorders can also affect the condition of pubic hair. In the case of patients with scant pubic hair, there is often also a loss of libido, so blood tests for sex hormones should be taken to understand the basic situation.