To check HIV, you can register for the dermatology and venereal disease department, because this belongs to sexually transmitted diseases, which is under the dermatology and venereal disease department, and the corresponding department has more expertise. In addition, you can also choose the Department of Infectious Diseases, because HIV infection is also a contagious disease. The doctors of these two departments are more knowledgeable about this. There are two main considerations in choosing which department to register with, on the one hand, whether or not they can issue the appropriate tests, then all the doctors in the department are basically able to issue the HIV antibody or antigen antibody combination test, are fully competent. But the interpretation of the results belongs to the second aspect, which is the degree of knowledge of the doctor of the relevant department, then the interpretation of the results can generally be, but for other aspects of knowledge of the consultation, try to choose these two knowledge of the richer departments.