There are more drugs that can dilate the ureter, as follows: 1, alpha-blockers: commonly used drugs such as tamsulosin hydrochloride, doxazosin, terazosin, alfuzosin, etc., can be used to treat urinary dysfunction, and current research proves that such drugs have a good effect on relaxing ureteral smooth muscle; 2, calcium channel antagonists: there are commonly used nifedipine, which is a very common drug in cardiovascular medicine The drugs such as atropine, scopolamine and progesterone can also dilate the ureter and release the spasm. For stone pain, the ureter will be strongly contracted and spasmodic, when encountering such a situation, ureteral dilating drugs can be used to effectively release the ureteral spasm and relieve the patient’s pain. There are side effects after the use of drugs, such as blurred eyes and blurred vision may occur. After using the medication, we are encouraged to drink more water and take lithotripsy medication, which can effectively promote the discharge of ureteral stones.