Cholecystitis pain at night is more obvious, during the day there are signs of relief, consider with the following factors have a certain relationship: 1, after going to sleep autonomic hyperfunction, the body’s reactivity will be different from the daytime reactivity, reactivity may be obvious, so there will be a night pain during the day to relieve the situation. 2, for cholecystitis patients may be in the night time, food consumption is more greasy or Eating too cold stimulating food, or smoking, drinking too much alcohol, etc.. This may trigger an attack of cholecystitis at night, which may be relieved during the day after the night’s relief or the digestion and absorption of the diet. It is recommended that patients with cholecystitis should eat a light and easily digestible diet, and early detection and early treatment should not be delayed.