After maxillary cyst surgery there is still light blood water coming out, in the first five days after surgery you can first temporarily observe mainly, if you find that the light blood water does not decrease or increase signs, it is recommended to go to the hospital for treatment. 1. Temporary observation. Maxillary cyst surgery due to the existence of incisions usually in the first five days after surgery will have varying degrees of pale blood, usually pale blood will slowly disappear. 2. Go to the hospital for treatment. If, after observation, you find that the pale blood water increases or does not disappear, it is recommended that you go to the hospital in time to check whether the wound is infected, the cyst wall is not completely scraped off and other situations, you need to consult the doctor in time for examination and symptomatic treatment. After maxillary cyst surgery, it is recommended to eat some warm and cool food to avoid external stimuli causing wound bleeding or infection.