You can wash your hair after pituitary tumor surgery, but should do so after your condition has stabilized. Pituitary tumor is a common benign intracranial tumor. The commonly used surgical method is endoscopic transsphenoidal pituitary tumor resection, which usually needs to be performed under general anesthesia. The procedure has the advantage of being less invasive and faster recovery. Therefore, you can wash your hair a few days after the surgery when your condition is stable. However, for about 3 days after the surgery, the patient is still in a weaker state and is also a period of high incidence of various complications. It is not recommended to wash the hair during this period to avoid catching a cold or even causing complications such as retrograde infections. In addition, the condition and recovery of each person after surgery are also different and cannot be generalized. Therefore, it is recommended to communicate with the supervising doctor whether the patient can wash his hair after the pituitary tumor surgery and get the supervising doctor’s consent before washing his hair, so as to avoid serious consequences.