The following points should be noted during nursing visits for lower gastrointestinal bleeding: First, whether the change in the frequency of lower gastrointestinal bleeding has increased or decreased in the patient compared to the previous day. Second, the change of bleeding volume, the estimation of bleeding volume, such as the diaper weighing method or container volume method to roughly estimate each and total bleeding volume. Third, monitoring of vital signs, whether the heart rate, respiration, and blood pressure remain stable, whether the anemia is corrected or further aggravated, and whether blood transfusion is needed. Fourth, observe the change of medical advice, whether the medical advice adds or reduces the corresponding treatment measures. Fifth, the control of the cause, whether the real cause of lower gastrointestinal bleeding is found, whether further surgical intervention or conservative treatment is needed, etc., these are the main points to note in the nursing check-up of gastrointestinal bleeding.