Bile draining from the T-tube usually clears up on its own in 2 to 3 days. Most of the bile drained from the T-tube is yellow or dark green, if there is bile duct infection or bile reflux, the color will be darker, which may lead to greenish color, if there is inflammation in the bile duct, the bile may contain a small amount of blood, usually 2~3 days will be clear on its own because the fissure of the common bile duct will be healed on its own, during the period of time, we should pay attention to detecting the vital signs of the patient, and to keep the drain smooth and record the drainage at regular intervals. The color and amount of fluid should be recorded regularly. During this period, the patient should eat more fresh fruits and vegetables, eat a light diet, eat more nutritious, easy-to-digest foods, such as eggs, milk, etc., pay attention to rest, do not overwork, and maintain an optimistic state of mind. Further consultation with a specialist is available.