Program upgrading method and system of board card and board card

The invention discloses a program upgrading method and system of a board card and the board card, and relates to the field of program upgrading, and the program upgrading method comprises the steps that when a burning request sent by an upper computer is received through a network, the board card is controlled to be converted into a burning state from a running state, the board card does not run when in the burning state, and the burning request comprises an upgrading program; erasing data at a position corresponding to the upgrading program in the flash memory; and sending the upgrading program to the flash memory so as to upgrade the program in the flash memory. Compared with a traditional burning method, the upgrading program is transmitted through the network, the burning speed is higher, and the transmission mode in the upgrading program transmission process is more flexible. 本发明公开了一种板卡的程序升级方法、系统及板卡，涉及程序升级领域，包括在通过网络接收到上位机发送的烧录请求时，控制板卡由运行状态转换为烧录状态，板卡处于烧录状态时不运行，烧录请求中包括升级程序；擦除闪存中升级程序对应的位置的数据；将升级程序发送至闪存，以便闪存