The invention discloses a method for heat treatment of a high-pressure tantalum electrolytic condenser anode film. The method for heat treatment of the high-pressure tantalum electrolytic condenser anode film comprises the steps that firstly, a porous metal tantalum anode is placed in 0.6% phosphoric acid liquid, then the temperature of the phosphoric acid liquid is made to rise to 85 DEG C, formation voltage rises to 100V and then is energized for one hour, and then a sample is obtained and is contained in a vacuum drying oven for one hour; the sample generated after heat treatment is placed into a vacuum tube furnace, vacuumizing is conducted until the pressure in the vacuum tube furnace ranges from 10Pa to 3 Pa, and first-stage heat treatment is conducted on the anode film for two hours at the temperature of 320 DEG C; the anode film is placed in an energizing groove to be energized in the phosphoric acid liquid at the temperature of 85 DEG C after heat treatment in the first stage is completed until the 125 V design voltage is obtained, the sample is taken out of the energizing groove, second-stage heat treatment is conducted on the sample, the sample is placed in the vacuum tube furnace, and vacuumizing is conducted until the pressure in the vacuum tube furnace ranges from 10 Pa to 3 Pa, and then the sample is placed in a nitrogen atmosphere; the heat treatment temperature in the nitrogen atmosphere is 340 DEG C, a formed anode film is repaired after heat treatment is conducted for 20 minutes, and thus a high-pressure tantalum electrolytic condenser anode with low leakage current is obtained.