The clinical survival time of multiple brain tumors is variable because the form of the tumor is variable and the location of the growth is also variable. In many cases, multiple brain tumors may even survive for about 5 years, while others may only survive for about 6 months, which is a very big difference. If the multiple brain tumor grows relatively slowly, belongs to the benign type, and the location of the growth is not in the very important functional area, which can only affect part of the function but not completely interfere with the daily activities, and can be obviously controlled through active surgical treatments or radiotherapy, the survival time of 5-6 years is also possible, however, if the multiple brain tumor shows malignant growth, and compresses various tissues around the important functional area, and is not controlled by surgery or radiotherapy, the survival time of 5-6 years is also possible. However, if the multiple brain tumors show malignant growth and compress various tissues in the important functional areas, and are not controlled by appropriate treatments, it is possible to survive for 6 months, which must be judged in the light of the actual situation of the patient.