Objective To investigate the usage rate of condom in prostitution and tuck driver along highway in different times and places,and analysis the cause of this situation and the correlation with STD/AIDS.Methods To select the prostitution and long-distance truck drivers in correlate places along No.105 highway.To investigate their difficult-easy degree obtaining condom,and usage rate of condom in the time of latest sexual behavior before and after intervention,and make correlated analyses with the prevalence...