A sports skill evaluation system is provided which can perform a detailed skill analysis based on the level, match experience, age, sex and so forth of a user, careful advice based on a result of the skill analysis, rearing diagnosis in the future, estimation evaluation with the growth in the future taken into consideration and so forth. Individual application coefficients stored in a coefficient table in advance are referred to based on basic user data of the user including the level, match experience, age and sex and a score according to a result of a match to calculate skill item points for individual skills required for the match, and diagnosis graphs for the individual skills are produced from the calculated skill item points for the individual skills. The level, match experience, age and sex of the user are converted into numerical values, and a comment pattern designation value is calculated for each skill item in accordance with a predetermined calculation expression from the numerical values. A comment of a number corresponding to the comment pattern designation value is extracted for each skill item from a comment table.