A display substrate, comprising: a base substrate, and an encapsulation film disposed at a first side (a) of the base substrate, wherein at least one corner of an edge of the encapsulation film is a rounded corner; a radius R F of the rounded corner of the edge of the encapsulation film satisfies: R F = L × α 1, where L is a length of a diagonal of the display substrate, and α 1 is a coefficient related to the length of the diagonal of the display substrate; the encapsulation film includes at least one organic film layer; the display substrate has a display region and a bezel region surrounding the display region, the display substrate further comprises at least one blocking dam disposed at the first side (a) of the base substrate in the bezel region, the at least one blocking dam is disposed around the at least one organic film layer, and each blocking dam of the at least one blocking dam is configured to block the at least one organic film layer; and at least one corner of the blocking dam is a rounded corner; a radius R d of the rounded corner of the blocking dam satisfies: R d = L × α 2, where L is a length of a diagonal of the display substrate, and α 2 is a coefficient related to the length of the diagonal of the display substrate; characterized in that a value range of α 1 is 0.001 ≤ α 1 ≤ 0.004; a value range of α 2 is 0.001 ≤ α 2 ≤ 0.004; at a same corner position of the display substrate, a corner of the edge of the encapsulation film and a corner of the blocking dam are rounded corners; and in a case where a radius R F of the rounded corner of the edge of the encapsulation film satisfies R F = L × α 1, and the radius R d of the rounded corner of the blocking dam satisfies R d = L × α 2, α 1 >α 2; or at the same corner position of the display substrate, a corner of the edge of the encapsulation film and a corner of the blocking dam are rounded corners, and a radius of the rounded corner of the edge of the encapsulation film is 2 to 10 times a radius of the rounded corner of the blocking dam. a base substrate, and an encapsulation film disposed at a first side (a) of the base substrate, wherein at least one corner of an edge of the encapsulation film is a rounded corner; a radius R F of the rounded corner of the edge of the encapsulation film satisfies: R F = L × α 1, where L is a length of a diagonal of the display substrate, and α 1 is a coefficient related to the length of the diagonal of the display substrate; the encapsulation film includes at least one organic film layer; the display substrate has a display region and a bezel region surrounding the display region, the display substrate further comprises at least one blocking dam disposed at the first side (a) of the base substrate in the bezel region, the at least one blocking dam is disposed around the at least one organic film layer, and each blocking dam of the at least one blocking dam is configured to block the at least one organic film layer; and at least one corner of the blocking dam is a rounded corner; a radius R d of the rounded corner of the blocking dam satisfies: R d = L × α 2, where L is a length of a diagonal of the display substrate, and α 2 is a coefficient related to the length of the diagonal of the display substrate; characterized in that a value range of α 1 is 0.001 ≤ α 1 ≤ 0.004; a value range of α 2 is 0.001 ≤ α 2 ≤ 0.004; at a same corner position of the display substrate, a corner of the edge of the encapsulation film and a corner of the blocking dam are rounded corners; and in a case where a radius R F of the rounded corner of the edge of the encapsulation film satisfies R F = L × α 1, and the radius R d of the rounded corner of the blocking dam satisfies R d = L × α 2, α 1 >α 2; or at the same corner position of the display substrate, a corner of the edge of the encapsulation film and a corner of the blocking dam are rounded corners, and a radius of the rounded corner of the edge of the encapsulation film is 2 to 10 times a radius of the rounded corner of the blocking dam.