Precautions for taking Imatinib: First, it should be taken at regular intervals; second, it should not be interrupted or reduced at will. In the clinic, some patients often feel that they have a big reaction to the medicine, and they should take four pills a day, but they reduce the dosage to three pills, which will not work, and they must take it at regular intervals. In addition to eating in the middle of each meal, eat after eating to drink a lot of soup and water. Secondly, the medicine should not be broken up and eaten, but swallowed in one mouthful, and eaten in its entirety, not crushed, or broken into half, which will also affect the effect. After taking the medicine, you have to regularly, regularly to the hospital, follow up to observe the effect of the medicine to see whether the need to increase the amount, if the effect is not good, the disease has progressed to increase the amount, increase the amount to eat for a period of time or not, the course of the disease continues to progress, but also have to change the drug. Many patients do not strictly follow the doctor’s instructions for medication, resulting in disease progression, untreatable, so patients must take medication as prescribed.