This paper discribes the growth analysis of overmatured coastal black pine trees as a fundamental study for the construction of stand density control method. Growth characteristics of diameter at breast height and tree height were examined by the stem analysis of eight dead trees in Kyushu university forests in Sawara during the spring in 1990. 1. Growth curves of diameter or height rarely fitted Mitscherlich's formula as a basic one of saturated ones. 2. Even though some trees were much advanced in years, rich annual increments of diameter or height continued, or current increments increased after more than 100 year old. 3. Almost all of trees had 2 or 3 maximum points of current increment of diameter or height. From the results obtained, it is suggested that new growth models based on up-to-date idea are nessesary for the density control methods for coastal black pine stand.