The hardness of a golf ball is generally 70 ° - 105 °. The higher the degree, the harder the ball will be and the harder it is to master the direction. Beginners are suitable to choose a ball with lower hardness. The soles of golf shoes generally have about 6~7 soles, which can prevent slipping and keep the players in balance when swinging.

Rubber golf balls are mainly divided into British style and American style. The maximum weight of the ball shall not exceed 50.38 grams. The minimum diameter of American ball is 4.26 cm, for domestic use in the United States. The minimum diameter of the English ball is 4.11 cm, which is used for the UK, Canada and international team golf matches.