Paint sprayers are exposed to paint for a long time, and paint contains formaldehyde, benzene and many other heavy metals, which can invade the human body through the respiratory tract, digestive tract and skin, affecting the patient’s neurological, respiratory, hematopoietic and digestive systems and many other organs. In the early stage of causing organic diseases, patients may have neurological symptoms, such as dizziness, headache, fatigue, insomnia, memory loss, etc., respiratory symptoms, such as tightness in the chest, wheezing, coughing, coughing up phlegm, decreased activity tolerance, etc., and hematopoietic symptoms, such as a tendency to hemorrhage caused by thrombocytopenia, as well as bleeding gums, nosebleeds, ecchymosis of the body, etc., and a decrease in leukopoiesis immunity caused by leukopenia, etc. There are also symptoms of the digestive system, such as liver damage, toxic hepatitis, and the patient may have a hepatic facies. If these symptoms occur, it is important to get out of the environment immediately and usually wear a professional face mask at work.