Women’s stomach hair may be the following two reasons: First, the female body androgen secretion, androgen is from the male testes or female ovarian secretion, androgen mainly to maintain male male characteristics and female hair growth, women’s stomach hair is sparse, light color. Under normal circumstances, the androgen in women’s body will not exceed 100ng/L. If it is higher than this value, it will lead to disorder of hormone secretion in the body causing excessive body hair in women, and even beard will appear as male physical characteristics. If a woman has hair on her stomach, she should consider going to the hospital to check the secretion of hormones so as not to miss the disease. Second, girls with long hair on the stomach may be due to unhealthy eating habits, often consuming food containing hormones can easily cause androgen secretion, resulting in long hair on the stomach, usually should pay attention to avoid excessive intake of hormones.