Complain to the health bureau. Dentist Stomatological Hospital can directly complain to the Health Bureau to safeguard its rights and interests if it does not receive a refund. The Health Bureau is the competent department of local hospitals at all levels. There are functional departments such as office, medical political department, health education institute and Aiweihui, which are in charge of food hygiene, the implementation of the law on medical practitioners, the handling of medical accidents and so on.