My condition is : painful urinating, can't hold back urine, cannot expel all urine at once.
 Am I getting a prostatitis? 
How to cure it?

They are typical prostatitis symptoms, but to know what is your specific condition, you need more tests in local hospitals or clinics. 
To cure chronic prostatitis, traditional Chinese medicine Diuretic and Anti-inflammatory Pill can be very good.
It is a kind of traditional Chinese medicine made from almost 50 kinds of elements and each of them have their unique function in curing genital system and urinary system disesases. Some of them can promote blood circulation and dissolve stasis, some can promote Qi and stop pain, some can kill bacteria, virus, mycoplasma and chlamydia, and some can clear away heat and dampness. They all aiming at eliminating your symptoms to cure it.                                    
Released in 2011-10-11 15:41:06