Children with gastric sinusitis, it is recommended to remove the cause of the disease first, at present, the main use of medication for treatment. The treatment of sinusitis should first remove the primary factors, if caused by drugs, it is recommended to stop using the relevant drugs as soon as possible; if it is swallowed improper food or corrosive substances, gastric lavage should be carried out. Children with severe vomiting should be given fluids as soon as possible. In case of severe bleeding, blood transfusion is recommended. When children are diagnosed with gastro-sinusitis, oral gastric mucosal protectants, such as bismuth subcarbonate and aluminum thiosulphate, can have a protective effect on the gastric mucosa. If Helicobacter pylori infection is present, standardized anti-HP therapy should be performed at the same time, and common drugs include amoxicillin, clarithromycin, omeprazole, bismuth potassium citrate, etc. Children diagnosed with gastro-sinusitis are advised to go to the hospital in time.