Candida can cause disease when it enters the human body, and infection can occur in the oral cavity, skin and genital area, and infection in the genital area is more common. Candida is a fungus that exists in the natural environment, and most human infections are acquired from unclean environments. For example, if you come in contact with a public pool or toilet with Candida growing or use contaminated toilet paper, infection may occur. In addition, the infection may also occur between people, especially between husband and wife and sexual partners. If one partner is infected with Candida and has unsafe sex, it can be transmitted to the other partner. It can also be transmitted from one partner to another. In addition, long-term use of antibiotic drugs, or women using vulva lotions for a long time, will disturb the body’s flora and reproductive area environment, resulting in a decrease in local resistance, which will increase the risk of infection with Candida. The probability of Candida infection and incidence will increase when the body condition changes, such as when a woman has diabetes or is pregnant. After Candida infection, a few cases can be recovered slowly without medication, by improving local health condition and removing irritation, such as oral Candida infection. However, vaginitis caused by Candida infection in women in general needs to be treated with antifungal drugs and lotions. Candida can be contracted from outside, mainly through contact with unclean objects, but also through sexual intercourse, and a poor or declining immune system can lead to an increased risk of infection.