mysql multiple join optimization code example

Example: How to use multiple join in mysql

SELECT 
    t1.name name,
    t1.id id,
    t1.add_date add_date, 
    t2.soc_township township_name1,
    t2.soc_name soc_name,
    t3.name township_name
FROM block t1 
INNER JOIN society t2
    ON (t1.soc_id = t2.id)
INNER JOIN township t3
    ON (t2.soc_township = t3.id)