Syphilis is a widespread epidemic of sexually transmitted diseases, in recent years, the incidence in countries around the world have picked up.

Syphilis is a chronic sexually transmitted disease caused by Treponema palladium, in nature, Treponema palladium infection only human. So syphilis patients is the only source of infection. Untreated patients within 1-2 years after infection, infectious, with the extension of the disease, less and less infectious. Due to the spread of syphilis and the different body reactivity, syphilis is divided into acquired syphilis and congenital syphilis.

Congenital syphilis: also known as fetal transmission syphilis. Spirochetes through the placenta of pregnant women into the fetal blood circulation, causing fetal systemic infection. Treponema palladium in the fetus of the liver, spleen, adrenal gland and other organs caused a large number of reproductive abortion, premature birth, stillbirth or a life of syphilis. Early lesions of syphilitic rhinitis, syphilitic pemphigus and maculopapular rash: late saw-shaped teeth, congenital deafness and interstitial keratitis and so on.

Acquired syphilis: also known as acquired syphilis. Mainly through sexual contact, a few can also be through kissing, breast-feeding and exposure to infectious damage in patients infected with the daily transmission of goods. In addition, the new blood can be transmitted. Acquired repentance and recurrence of recurrent for its characteristics, the whole course is divided into three phases.

Syphilis is great harmful to the human health, so it is extremely important to take  effective measures to prevent syphilis.