When the penis can’t get up after recovering from cerebral infarction, it is considered to be related to the nerve function not fully recovered, psychological reasons and so on. 1. Nerve function is not fully recovered: post-stroke sexual dysfunction can occur after recovery from cerebral infarction, so the penis can not be erected. You can consider low-frequency electrical stimulation with nutritive nerve medication, such as ganglioside. 2. Psychological reasons: patients recovered from cerebral infarction may have some degree of sequelae, such as hemiplegia, language disorders, etc., resulting in low self-esteem, which leads to decreased libido, the phenomenon of penile inability to get up, at this time, family members should encourage the patient, channeling their bad moods, and when the patient regained self-confidence, it can be improved. Cerebral infarction patients recovered after the penis can not get up, according to the specific reasons, follow the doctor’s instructions for treatment. Patients usually pay attention to monitoring and controlling blood pressure, blood sugar and blood fat; diet should be light; to prevent the recurrence of cerebral infarction.