The diagnostic criteria for depression after stroke are as follows: 1. First of all, the patient is sick after stroke, regardless of cerebral infarction or cerebral hemorrhage. 2. The medical history is generally mastered to determine that within one year, the patient presents a series of symptoms characterized mainly by depressed mood, which includes evaluation of self, negative, and no interest in life. 3, motor dysfunction, motor retardation, and in severely depressed patients, light-heartedness and suicidal thoughts may occur. Therefore, the diagnostic criteria for post-stroke depression is that it occurs within one year after the stroke. Another primary symptom is a negative mood and self-perception, depressed mood, lack of interest, lack of motivation, and lack of interest. In addition, the patient’s performance is negative and he or she is not capable of taking care of himself or herself. From the clinical doctor’s judgment, before the patient’s treatment compliance is very good, diet, medication, rehabilitation training can cooperate, but after the occurrence of depression, the patient’s degree of these cooperation is decreasing, which is the diagnostic criteria of depression after stroke.