Chronic constipation may cause spots on the face. Constipation, a feeling of difficulty in passing stools, is a common clinical condition that is more common in women than in men, and is mainly characterized by a decrease in the number of bowel movements and dry, hard stools. Constipation is usually triggered by dehydration, hardening and drying of the feces when it moves too slowly through the digestive tract or when it cannot be removed effectively from the rectum. There are many reasons for constipation, which is generally the result of a combination of factors, such as may be related to the rectum, anal lesions and other organic lesions, such as rectal cancer, anal fissure, etc.; may also be related to the colon transmission and defecation dysfunction and other functional factors, such as poor defecation habits, etc.; and may be the result of the joint action of the two. Long-term constipation will make the feces retained in the intestinal cavity, leading to toxins through the intestinal mucosa reabsorption into the blood, thus affecting the body’s metabolism, appearing yellowish face, face long spots, etc., but also due to the difficulty of defecation may lead to the occurrence of hemorrhoids and other diseases. Long-term constipation, it is recommended to consult a doctor for a clear diagnosis and targeted treatment under the guidance of the doctor.