Immunocompromised patients may suffer from atopic dermatitis, various infections such as colds, intestinal infections, urinary tract infections, etc., and the most serious ones may lead to the development of tumors. Immunocompromised patients may develop skin diseases, such as atopic dermatitis or various types of skin rashes, and adolescents may also lead to persistent acne. Immunocompromised patients may develop infections, such as the common cold, or enteritis after eating unclean food, leading to gastrointestinal reactions such as nausea and vomiting, and urinary tract infections. Long-term immunity low patients, will induce the occurrence of malignant tumors, body thinning, weight loss and other symptoms. Low immunity should go to the hospital in time, so as not to miss the disease.