An oral treatment guide plate, comprising a guide plate body (1), a saliva suction main pipe (2), and a plurality of saliva suction branch pipes (3, 4); a notch (11) is provided on the guide plate body (1), a saliva suction branch pipe (3, 4) being arranged on both sides of the notch (11); an outlet of the plurality of saliva suction branch pipes (3, 4) is connected to an inlet of the saliva suction main pipe (2), and an outlet of the saliva suction main pipe (2) is configured to connect to a suction device. By means of arranging a saliva suction branch pipe (3, 4) on both sides of the notch (11), the saliva, blood, and cleaning solution produced during an oral treatment procedure can be promptly discharged, improving the saliva suction effect and efficiency, and preventing accumulated liquid from entering the treatment site and causing contamination; the saliva suction brand pipes (3, 4) do not occupy the space used for surgical operations, avoiding affecting the field of view of the operation. The present oral treatment guide plate has both an oral treatment guide function and a saliva suction function, helping the physician to independently implement oral treatment surgery, and thereby saving labour and time.La présente invention concerne une plaque de guidage de traitement buccal, comprenant un corps de plaque de guidage (1), un tuyau principal d'aspiration de salive (2), et une pluralité de tuyaux de ramification d'aspiration de salive (3, 4) ; une encoche (11) est disposée sur le corps de plaque de guidage (1), un tuyau de ramification d'aspiration de salive (3, 4) étant agencé sur les deux côtés de l'encoche (11) ; une sortie de la pluralité de tuyaux de ramification d'aspiration de salive (3, 4) est raccordée à une entrée du tuyau principal d'aspiration de salive (2), et une sortie du tuyau principal d'aspiration de salive (2) est configurée pour être raccordée à un dispositif d'aspiration. Au moyen de l'agencement d'un tuyau de ramification d'aspiration de