The invention discloses a business processing method and a business processing device for financial transaction equipment. The method includes: acquiring environmental factor information of the financial transaction equipment; adjusting business processing parameters of the financial transaction equipment according to the environmental factor information. On the basis of the method and the device, adjustment of the business processing parameters of the financial transaction equipment can be realized according to the environmental factor information of the financial transaction equipment, businesses high in time flexibility are provided for clients to guarantee that the clients can handle financial transaction businesses in idle time, depositing and withdrawing quantity balance of the financial transaction equipment is realized, clearing frequency is decreased for equipment managers of banks, the utilization rate of the financial transaction equipment is increased, and practicality of the financial transaction equipment is improved.