Yosmin is the trade name of Drospirenone Ethinyl Estradiol Tablets, the price is 100-150 RMB per box. Drospirenone ethinyl estradiol tablets are compound short-acting oral contraceptives, which can be purchased in hospitals, regular pharmacies or online official platforms; due to the difference in local price standards, the level of hospitals, the purchase of different channels, the price varies, and the fluctuations will not be too large. It is recommended to purchase through regular channels to ensure the quality of drugs; to avoid “fake drugs”, “expired drugs” caused by contraceptive failure and other adverse consequences. Drospirenone ethinyl estradiol tablets are mainly through the inhibition of ovulation, change the viscosity of cervical mucus, is not conducive to sperm penetration to achieve contraceptive effect; after taking the drug can be caused by irregular vaginal bleeding, nausea, breast distension and other adverse reactions, with the prolongation of the time of taking the drug, the symptom gradually improve. Severe cardiovascular disease and thrombotic disease patients are prohibited, lactating women are prohibited; age greater than 35 years old smoking women, should not be taken for a long time. Drospirenone ethinyl estradiol tablets have drug contraindications, before taking the drug detailed consultation with a professional doctor, do not abuse privately, so as not to cause adverse reactions to the organism.