G-negative diplococcus refers to gonococcal infection, also known as gonorrhea, which is highly contagious and is usually contracted through sexual intercourse, but can also be transmitted by unclean toilet bowls, leftover secretions from beds, and so on. Acute phase treatment course is short, chronic gonorrhea course is long. Typical acute phase symptoms include purulent discharge, high volume, female manifestation of leukorrhea purulent, lumbar and abdominal pain, urinary frequency, urinary urgency, urinary pain, urethral pus secretion or can be extruded pus secretion. Laboratory tests, detection of G diplococcus can confirm the diagnosis. First of all, is not infected with gonorrhea need regular hospitals to clearly diagnosed, standardized treatment, generally standardized treatment prognosis is very good, do not blindly trust the diagnosis, treatment of irregular units, generally need to husband and wife at the same time treatment, treatment period to avoid sexual life.