The length of time to take Lukewarm Dihuang Pills depends on the patient’s condition and the disease he or she is suffering from. The length of time it takes varies from 1 to 3 months. For example, for certain blood disorders it is about 3 months, for menopausal disorders it is about 6 months, usually 3 months for a course of treatment. Usually patients with chronic fatigue, which is more in line with the evidence of liver and kidney yin deficiency, are recommended to take Liu Wei Di Huang Wan for 2 weeks to 1 month. Patients with menopausal syndrome can take Liu Wei Di Huang Wan for a few months to six months under the guidance of a doctor, sometimes with other drugs for treatment, which is more helpful for relieving symptoms. People in the subhealth state with early manifestations of liver and kidney yin deficiency, such as insomnia, can take it in moderation under the guidance of a doctor.