The determination of the axial bearing capacity of the pile foundation is one of the essential contents of the design for high-piled wharves. However，in the preliminary design of overseas projects，the geological survey data is usually too simple and lacks the necessary parameters required for the design. Therefore，the data of standard penetration test （SPT） is very important. In this paper，combining the provisions of the British standard BS8004 on calculating the axial bearing capacity of pile foundations based on SPT，and by analyzing relevant research results of several scholars，we compare coefficients of unit skin friction resistance and unit end bearing resistance between the BS standard and relative research. The value of the empirical coefficient of pile side and pile tip friction resistance per unit area is discussed，and a reasonable recommended value of the empirical coefficient in the calculation of the axial bearing capacity of the pile foundation is given. Finally，combined with static pile loading test data and pile dynamic load test，the rationality of the empirical is verified，which can provide a reference for similar overseas projects.