When i urinate and then i try to stop, urine continues to leak out. is this a serious problem?

Normal...: The sequence of events in voiding is chiefly a process of perfectly coherent automation of involuntary smooth muscles and autonomic nerve system, which cannot be suppressed as voluntary striated muscles, although striated muscles contribute a great role of external sphincter. Once, the involuntary smooth muscle (detrusor) of bladder starts to contract to squeeze urine out, we cannot stop it.