Tadalafil tablets are drugs used to treat erectile dysfunction in men that require sexual stimulation for the drug to take effect and cannot be used in women. Its main action is to stimulate erectile function in men by dilating blood vessels to avoid impotence. Before using the drug, it is necessary to know the patient’s medical history, for example, if the patient has previous hypertension, myocardial infarction, coronary artery disease and other cardiovascular diseases, this drug is not allowed to be used because it may induce the onset of cardiovascular system diseases. In addition, this drug is not recommended if the patient has a history of liver insufficiency. The dose and duration of administration of the drug must be strictly in accordance with medical advice and the drug instructions, remember not to increase the dose and frequency of administration at will, otherwise it may cause adverse reactions. These are the main effects and efficacy of Tadalafil tablets, which are mainly used for the treatment of erectile dysfunction in men and are not suitable for use in women.