Finasteride may have consequences such as hair loss and decreased sexual function after stopping the drug, and is mainly used for prostate enlargement and other diseases. The effect of finasteride tablets is to inhibit the production of androgens, long-term use of finasteride tablets will reduce the size of the prostate, usually need to take finasteride tablets for a long time, short-term use of the effect is not good. Finasteride discontinuation may lead to hair loss, decreased sexual function, itching sensation, swelling of the face and lips and other allergic reactions, therefore, for relatively young patients with prostate hyperplasia, it is important to be cautious when taking finasteride tablets, do not blindly stop the drug. It is recommended that patients go to the regular hospital in time for examination and standardized medication under the guidance of the doctor.