Tin dioxide is toxic. Tin dioxide is a white, light yellow or light gray tetragonal, hexagonal or rhomboid crystal system powder. Used in enamel and electromagnetic materials, and used in the manufacture of opalescent glass, tin salt, porcelain coloring agent, fabric mordant and weighting agent, steel and glass polish, etc.. Inhalation of fumes and dusts with tin dioxide can occur metal fume fever, which can lead to generalized weakness, headache, dry throat, metallic taste in the mouth and chest pressure, sometimes accompanied by nausea, vomiting, coughing, shortness of breath, and then shivering and fever. Long-term inhalation of tin dioxide fumes can lead to tin lung disease, it can also cause dermatitis. When there is a lot of dust, you should use an anti-virus mask and pay attention to protecting your skin, and you should pay attention to dust prevention and dust removal in general. If tin oxide poisoning occurs, it is recommended to seek medical treatment in time.