Femoral head necrosis has an impact on sex life, the impact of this disease on sex life is mainly reflected in the following aspects: 1, this disease may lead to pain in the hip, knee and lumbosacral region during the onset of the disease, and then make the patient in the process of sex, there is a series of discomfort, and the above-mentioned pain will be in the patient to do vigorous activities, or a certain position when there is a significant increase in the situation. 2, this disease may also lead to the hip and lumbosacral movement restrictions, more common in patients with serious such lesions, this lesion will lead to the patient in the sexual life of some of the movements have limited activities. It is also important to note that excessive or inappropriate sexual activity may lead to aggravation of femoral head necrosis, such as accelerated collapse of the femoral head.