An enhanced physical channel transmission method at a base station or a user equipment served by the base station, comprising: determining first information corresponding to each of one or more enhanced physical channel transmission levels, wherein each enhanced physical channel transmission level is respectively configured by the first information, and the first information comprises repetition configuration information and enhanced transmission configuration information that are of enhanced transmission of a physical channel, wherein the repetition configuration information is a repetition quantity of the enhanced transmission and enhanced transmission configuration information is at least one of a radio frame configuration information of an enhanced physical channel transmission opportunity and configuration information of the enhanced physical channel transmission opportunity; determining, according to the first information, a start radio frame of the enhanced physical channel transmission opportunity corresponding to each of one or more enhanced physical channel transmission level and a start position, in the start radio frame, of the enhanced physical channel transmission opportunity, wherein the start position is a start subframe; and performing the enhanced transmission of the physical channel by using the start position in the start radio frame as a start point; characterized in that, wherein the first subframe in the (X + 1) th physical channel transmission opportunity in the start radio frame corresponding to each enhanced physical channel transmission level is used as the start subframe, wherein X = mod (m × Rep_num, ON), Rep_num is the repetition quantity, ON is a quantity of physical channel transmission opportunities comprised in a radio frame that has a physical channel transmission opportunity, m is an integer greater than or equal to 0, mod is a modulo function. determining first information corresponding to each of one or more enhanced physical channel transmission levels, wherein each enhanced physical channel transmission level is respectively configured by the first information, and the first information comprises repetition configuration information and enhanced transmission configuration information that are of enhanced transmission of a physical channel, wherein the repetition configuration information is a repetition quantity of the enhanced transmission and enhanced transmission configuration information is at least one of a radio frame configuration information of an enhanced physical channel transmission opportunity and configuration information of the enhanced physical channel transmission opportunity; determining, according to the first information, a start radio frame of the enhanced physical channel transmission opportunity corresponding to each of one or more enhanced physical channel transmission level and a start position, in the start radio frame, of the enhanced physical channel transmission opportunity, wherein the start position is a start subframe; and performing the enhanced transmission of the physical channel by using the start position in the start radio frame as a start point; characterized in that, wherein the first subframe in the (X + 1) th physical channel transmission opportunity in the start radio frame corresponding to each enhanced physical channel transmission level is used as the start subframe, wherein X = mod (m × Rep_num, ON), Rep_num is the repetition quantity, ON is a quantity of physical channel transmission opportunities comprised in a radio frame that has a physical channel transmission opportunity, m is an integer greater than or equal to 0, mod is a modulo function.