The Eight Flavors Kidney Pill is a proprietary Chinese medicine, how long after taking it can play an aphrodisiac effect there are individual differences, need to be analyzed on a case-by-case basis. It is mainly used for functional impotence, cold fear, cold limbs, soreness and weakness of the waist and knees caused by deficiency of kidney yang. When Bafei Yi Kidney Pill is used for aphrodisiac, such as the treatment of impotence, usually 6 weeks is a course of treatment; if the patient’s symptoms are mild, taking 1 course of treatment can be effective. For severe erectile dysfunction, patients are advised to take 1 course of treatment first, and if the symptoms appear to be relieved, they can continue to take 2-3 courses of treatment under the guidance of a doctor. During the course of medication, a few patients may experience mild nausea, dizziness, small abdominal discomfort, diarrhea, rash, yellow urine, burning in the urethra and other uncomfortable symptoms. If the patient’s symptoms continue to show no relief, he or she may visit the Chinese medicine department and need to change other medications if necessary.