Yellow eyes may be caused by liver disease, or it may be caused by drug factors, cholecystitis, pancreatic head cancer and so on. 1. Liver disease: when the patient suffers from liver disease, it can cause abnormal liver function, leading to elevated jaundice in the patient’s body, thus making the patient’s eyes yellow. 2. Drug factor: when patients need to take sulfonamides and other drugs containing yellow pigment for a long time due to illness, it can also make patients’ eyes yellow. 3. Cholecystitis: when the patient’s gallbladder duct is blocked, bile can be concentrated and stimulate the gallbladder to cause inflammation, resulting in epigastric cramps, nausea, vomiting and other phenomena, and some patients’ skin, sclera and other parts of the skin can be yellowish. 4. Pancreatic head cancer: it is a malignant tumor of digestive tract caused by many reasons. Early stage of pancreatic head cancer patients may have epigastric discomfort, diarrhea, loss of appetite, etc. With the development of the disease, yellow staining of the skin and sclera of the patients may appear, accompanied by wasting and other symptoms. In addition, hemolytic disease can also make eyes yellow, patients should go to the hospital for consultation in time and standardize the treatment under the guidance of doctors.