What kind of dog is this?

Chinese Garden Dog is one of the oldest breeds in China, with a shoulder height of 40-55cm and a weight of 20-25kg. Not carnivorous, omnivorous diet. It looks like a wolf, with a short mouth and a flat forehead. Widely distributed, mainly in the south of the Great Wall and east of the Qinghai-Tibet Plateau. It is a low-altitude gathering place of Han nationality centered on the Central Plains, and it is the product of thousands of years of farming society of Han nationality in China. Traditionally, it is called "local dog", but in some places in the north, it is also called "Chai Dog" and "Stupid Dog".