I have drop of mucos from urthra urine analysis show few mucous and urine culture show no growth of organism what shall i do and causes of that?

Here are some ...: What is your age? Are you sexually active? Under what circumstance did you see mucous drops? Did you feel any associated local discomfort? If asymptomatic and occurring during sexual arousal or after straining to defecate, such clear mucous drops may be "normal" and not clinically significant. So, seek pro-evaluation to sort out what it is. Best wish ...