Cryptococcus can incubate in the body for three to seven days, but there are individual variations, with some lasting longer or shorter. It depends on the virulence of the Cryptococcus strain, and the body’s immunity. Cryptococcus is a fungus that can cause subacute or chronic infections. Usually central nervous system infections predominate. The incidence of fungal cryptococcal meningitis, brain abscesses, and granulomas has gradually increased in recent years. Cryptococcus is widespread in the environment and can be cleared naturally with a normal immune system, but it can cause cryptococcal infections if resistance is lowered. In particular, people with combined malignant tumors, chronic wasting disease, AIDS, and other immune dysfunctions must be alerted to the occurrence of such diseases. Cryptococcal infections should be treated as soon as possible, complete the relevant examinations, and cooperate with the doctor for active treatment.