Objective   To investigate the epidemic trend and characteristics of sexually transmitted diseases (STDs) from 2005 to 2009 in Shapingba district

Chongqing.  Methods   The data of STDs from 2005 to 2009 in Shapingba distric were analyzed.  Results  A total of 7 801 cases of STDs were reported in this region during the period. The mean annual incidence was 212.57 per 100 000. The annual incidence (282.90 per 100 000) was the highest in 2008. Of them

Gonorrhea (2 428 cases) accounted for 31.12%

Syphilis (2 188 cases) for 28.05%

Genital Warts (1 559 cases) for 19.99%

Chlamydia (707 cases) for 9.06%

Genital herpes (467 cases) for 5.99%

and AIDS/HIV infection (452 cases) for 5.97%. The cases of HIV infections were increased by 117.89% in 2009 compared to it in 2008. The major of STDs cases was male. The ratio of male versus female was 1.53∶1. The incidence of STDs among the male was significant higher than that in the female (P0.01). For these STD cases

61.31% of them was aged from 20 to 39 years old

but the cases of older than 50 years old were increased rapidly. The proportion of STDs cases among older than 60 years old were increased from 4.35% in 2005 to 9.11% in 2009. The proportion of STDs cases among workers

peasants and unemployment accounted for 55.79%. The proportion of STDs cases among retirees was increased by 75%

254% and 10% in recent 3 years.  Conclusion  Epidemic trend of STDs in Shapingba district is increased in recent 5 years. The majority of STDs is Gonorrhea

Syphilis and Genital Warts. HIV infections is increased rapidly. The incidence of STDs among the male is higher than it among the female. STD cases among senior population is increased. The distribution of profession is major in unemployment

workers and peasants. The proportion of STD cases among retirees is increased significantly in recent 3 years.