How long you need to take Jian Yang Capsule specifically needs to be analyzed according to the specific condition, and cannot be generalized. Jian Yang Capsule is composed of Epimedium Extract Powder, Centipede Powder, Licorice Extract Powder and Royal Jelly. It has the function of tonifying the kidney and benefiting the essence (replenishing the kidney essence in the body), and assisting the yang to promote impotence. It can be used to treat impotence, premature ejaculation, cold hands and feet, and hypogonadism caused by kidney yang deficiency. The adverse reactions and contraindications of Jian Yang Capsule have not been clarified. During the period of taking the medicine, abstain from sexual intercourse, abstain from eating cold food. If you take two weeks, no improvement in symptoms, it is recommended to stop the drug. The use of drugs need to be under the guidance of a physician, if there is discomfort, it is recommended to go to the hospital in time.