If you occasionally go to the toilet to read a book, generally will not cause any harm to the body; if you go to the toilet for a long time to read a book, it may induce varicose veins of the lower limbs, constipation, hemorrhoids and other diseases. When you go to the toilet, if you occasionally read books, squatting or sitting for a long time, it is possible to make the legs and feet numb, generally rest for a period of time can be relieved, will not cause any harm to the body. However, if you read a book on the toilet for a long time, it will distract your attention, prolong the toilet time, affect the blood circulation, aggravate the burden on the perianal area, and may induce varicose veins of the lower extremities, constipation, hemorrhoids and other diseases. Therefore, when you go to the toilet, you should not carry a cell phone, books and magazines, so as not to prolong the toilet time. Patients with varicose veins of the lower extremities, constipation, hemorrhoids and other diseases should go to the regular hospital in time, under the guidance of the doctor’s treatment.