1, the labor contract law stipulates that "during the medical treatment period, the employer may not unilaterally terminate the labor contract; In addition, it also stipulates that "after the expiration of medical treatment, the employer may terminate the contract conditionally if it is unable to perform the original job or engage in other jobs arranged by the employer."
In view of the situation you mentioned, there is no explicit provision in the law. But from the company's own point of view, in order to avoid or reduce the risk of employment, it is reasonable for the company to make such a request.