A method for determining manufacturing parameters for a sealing structure of an oil well pipe connection, characterized by comprising: determining a sealing surface contact compressive stress, a sealing structure material elastic strain, a sealing structure material strength and a sealing surface contact width of the oil well pipe by using a first formula based on a rule that a contact compressive stress parameter, an elastic strain parameter and a strength parameter of the oil well pipe are greater than or equal to a contact compressive stress safety margin, an elastic strain safety margin and a strength safety margin of the oil well pipe respectively, wherein the contact compressive stress safety margin k σs ≥ 0.2, the elastic strain safety margin k εs ≥ 0.2, and the strength safety margin k ys ≥ 0.2, wherein the first formula is shown as follows: { k σ = σ e − P P k ε = ε e − δ δ k y = σ y − PD 2 πL σ y wherein, k σ represents a contact compressive stress parameter, σ e represents a sealing surface contact compressive stress, P represents a pressure of gas sealed in the pipe, k ε represents an elastic strain parameter, ε e represents an elastic strain of a sealing structure or a sealing surface material, δ represents a local clearance of a sealing surface, k y represents a strength parameter, σ y represents a yield strength of a sealing structure or a sealing surface material, D represents a circumferential diameter of a sealing surface, and L represents a sealing surface contact width; determining an actual material of the sealing structure of the oil well pipe connection, based on the sealing surface contact compressive stress, the sealing structure material elastic strain, and the sealing structure material strength; and using the actual material and the sealing surface contact width as the manufacturing parameters for the sealing structure, determining a size of the sealing structure based on the elastic strain of the actual material and the sealing surface contact width and manufacturing the sealing structure by applying the actual material. determining a sealing surface contact compressive stress, a sealing structure material elastic strain, a sealing structure material strength and a sealing surface contact width of the oil well pipe by using a first formula based on a rule that a contact compressive stress parameter, an elastic strain parameter and a strength parameter of the oil well pipe are greater than or equal to a contact compressive stress safety margin, an elastic strain safety margin and a strength safety margin of the oil well pipe respectively, wherein the contact compressive stress safety margin k σs ≥ 0.2, the elastic strain safety margin k εs ≥ 0.2, and the strength safety margin k ys ≥ 0.2, wherein the first formula is shown as follows: { k σ = σ e − P P k ε = ε e − δ δ k y = σ y − PD 2 πL σ y wherein, k σ represents a contact compressive stress parameter, σ e represents a sealing surface contact compressive stress, P represents a pressure of gas sealed in the pipe, k ε represents an elastic strain parameter, ε e represents an elastic strain of a sealing structure or a sealing surface material, δ represents a local clearance of a sealing surface, k y represents a strength parameter, σ y represents a yield strength of a sealing structure or a sealing surface material, D represents a circumferential diameter of a sealing surface, and L represents a sealing surface contact width; determining an actual material of the sealing structure of the oil well pipe connection, based on the sealing surface contact compressive stress, the sealing structure material elastic strain, and the sealing structure material strength; and using the actual material and the sealing surface contact width as the manufacturing parameters for the sealing structure, determining a size of the sealing structure based on the elastic strain of the actual material and the sealing surface contact width and manufacturing the sealing structure by applying the actual material.