Mycoplasma is a group of microorganisms that are different from common bacteria and viruses, and there are many different types of mycoplasma that enter the body and cause infection and disease. Mycoplasma is widely distributed in the environment and is therefore easily accessible to humans. Some types of mycoplasma enter the body and are resisted by the immune system and do not cause significant effects, but a few types can induce infections that can lead to diseases, such as pneumonia when a person is infected with Mycoplasma pneumoniae, and mycoplasma infections such as Mycoplasma humanum and Mycoplasma urealyticum, which can occur in the genital and urethral regions of the body and cause inflammation of the reproductive system and urethra. Mycoplasma humanum and Mycoplasma urealyticum are prone to genital and urethral infections, which can lead to inflammation of the reproductive system and urethra. Different types of mycoplasma infections have different effects on the human body. Some mycoplasma infections do not cause any discomfort and are mainly observed, while others cause diseases such as pneumonia and respiratory tract infections, which require treatment with antibacterial drugs and antibiotics. When infected with a pathogenic mycoplasma, taking medication as early as possible can reduce the onset of symptoms and shorten the duration of the disease considerably, usually by 7 to 10 days. Mycoplasma, like viruses and bacteria, is a class of microorganisms, but differs from both in that many types of mycoplasma do not affect human health, while some types of infection can induce disease.