In geomantic omen, dogs are regarded as one of the five animals, which represent right and wrong in geomantic omen, so dog blood may be an unlucky sign. In addition, dog blood may also represent the decline of wealth, because dog blood also symbolizes wealth in Feng Shui. Finally, dog blood may also indicate health problems, because dog blood also represents health in Feng Shui.
If this happens, it is suggested to take timely measures to solve it, such as keeping the room clean and avoiding keeping pets at home.