The precautions after contrast imaging are different for different parts of the body, the common ones are pressing on the contrast site, drinking plenty of water, eating a light diet, etc. In addition, there are also special precautions for individual contrast imaging. 1. Pressure on the contrast site: the puncture site needs to be pressurized to avoid bleeding, and it is also necessary to pay attention to whether there is bleeding in the operation area. 2. Drink plenty of water: The contrast agent will remain in the body after the imaging, drinking plenty of water will help to promote the circulation of fluids in the body, help the contrast agent to be discharged, and prevent the contrast agent from causing damage to the organs. 3. Light diet: you should eat a light diet after imaging, avoid spicy and stimulating food, increase food containing high quality protein, such as fish, shrimp, etc., to promote the recovery of the body. Eat more fresh vegetables and fruits and don’t drink alcohol. In addition, for different imaging also need to follow the doctor’s instructions, for example, in the tubal imaging in the 2 weeks after the imaging prohibit bath and sex, patients should pay attention to the reproductive organs of the hygiene, wash the vulva once a night with lukewarm water before going to bed, and if necessary, you can use anti-inflammatory and antiseptic solution to effectively prevent infection. If you feel unwell, it is recommended to go to the hospital in time for treatment.