Animal B-ultrasound images use different grayscales between black and white to reflect the presence and strength of echoes, which have the characteristics of low brightness and low clarity. This makes it difficult for veterinarians to diagnose patients' conditions based on animal B-ultrasound images. Moreover, for animal B-ultrasound images, due to different diseases, the required enhancement effects of the tissue parts that need to be highlighted to facilitate the diagnosis of the disease are also different. For example, some B-ultrasound images such as cysts are mainly for doctors to observe the different effects of the central part to determine the severity of the disease: while cancer animal B-ultrasound images are mainly for veterinarians to observe the edge part to determine the spread and severity of the disease: some B-ultrasound images require veterinarians to observe the center and edge of the tissue to be enhanced. In the process of enhancing animal B-ultrasound images, different enhancement methods have different effects on image processing. Veterinarians need to choose the appropriate B-ultrasound image processing method according to which tissue part they need to observe and which image details they need to highlight.