Diseases that can be transmitted between husband and wife include gastric diseases, sexually transmitted diseases and some other transmissible diseases such as viral hepatitis. 1. Gastric diseases: one of the causes of gastritis, gastric ulcer and other diseases is Helicobacter pylori infection, which can be transmitted through saliva when couples kiss, and can also be transmitted when eating together. 2. Sexually Transmitted Diseases (STDs): For example, gonorrhea caused by Neisseria gonorrhea, syphilis caused by Helicobacter pallidus infection, warts caused by HPV infection, and AIDS caused by HIV infection, STDs are mostly transmitted through sexual intercourse or blood contact. 3. Infectious diseases: for example, viral hepatitis, tuberculosis, measles and other infectious diseases can be transmitted between husband and wife. People with gastric diseases can be treated with anti-Helicobacter pylori quadruple medication, while people suffering from sexually transmitted diseases are not recommended to have sex between husband and wife, and people with infectious diseases are recommended to go to designated isolation hospitals for treatment in a timely manner.