Barium meal radiography is safe for cats and needs to be carried out under the guidance of veterinarians. Barium meal is a contrast agent for X-ray examination. Taking barium orally to cats can help doctors observe the gastrointestinal condition of cats. Cats will not feel pain or discomfort when eating barium meal. Will feel some unfamiliar taste or texture, will not produce pain. Veterinarians will decide whether to have barium meal examination according to the needs of cats, and take measures to ensure the safety and comfort of cats during the operation.